OT-2026-000056174
Publication integrity record
Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056174) never changes.
Identity and time
| Publication number | OT-2026-000056174 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-767d-95ae-247b5688ba79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056174 |
| Status | PUBLIC |
Content hashes
| Canonical text | d21696db66bfd51ede070da5177736eb55107857307f039d5f98d6539ee23957 |
|---|---|
| Markdown | d466f2d5e34a106e423e4e39d5ce095caa8a7643632da5091ff95d3672567000 |
| Publication page | 921c14e17dbb344441167389e222c4057724ada3b1e0865db2260835981bc615 |
| Manifest | 43e88dafc1c9cd25b0fe2a3dbb9fb78d9b74cf1b2abb6ccbb21d7e6ecf621a0b |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | xlsgHk9vpXjzrw8rZonM74EY/2ngH9pd+MfWeWSECpMeQhWdUBOY2IxgnqzvmxwGn9Rd+ohKSISIdD4pblskDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-11-02T16:41:32.420449Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174observed 921c14e17dbb344441167389e222c405...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T16:41:32.326023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174/manifest.jsonobserved 43e88dafc1c9cd25b0fe2a3dbb9fb78d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T16:41:32.253968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174/publication.mdobserved d466f2d5e34a106e423e4e39d5ce095c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T16:41:32.145838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174/publication.txtobserved d21696db66bfd51ede070da5177736eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:06.099389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174observed 921c14e17dbb344441167389e222c405...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:06.031393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174/manifest.jsonobserved 43e88dafc1c9cd25b0fe2a3dbb9fb78d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:05.946781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174/publication.mdobserved d466f2d5e34a106e423e4e39d5ce095c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T00:41:05.870754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056174/publication.txtobserved d21696db66bfd51ede070da5177736eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|