OT-2026-000005541
Publication integrity record
Vacuum cup gripper, per zone isolation, two outlet manifold, pump fed, vented before set down
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-2026-000005541) never changes.
Identity and time
| Publication number | OT-2026-000005541 · never reused |
|---|---|
| Internal UUID | 01a0a93c-8def-7b96-b3d5-281b185295e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:01:53.138679Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005541 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5e1faa371c289e470a9629d818298562c7c9398ba38acf78993a2a175d797e91 |
|---|---|
| Markdown | 8cadcfa41f79ea267a1dbc1383ca88242b3c2b2fb1e19793f66b1f4588bd6ea1 |
| Publication page | cce6bf71dc09d975024e41bffdd95f18ea97106ea0999a1ca27f1b448e62f017 |
| Manifest | 78c87dbb753b21a2a2831cb57d75bf5aac12ada2641458eae9b615de9fc7ea00 |
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 | 5CEmbqH+NWHfiLjYufLfEWG/VPfto9BKDTShr72/dbCYixN1Z3TxKXvqP8GKuz1IDBK6ZHoIkWxK3MHqxgyGAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T20:41:31.014411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541observed cce6bf71dc09d975024e41bffdd95f18...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:41:30.851981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541/manifest.jsonobserved 78c87dbb753b21a2a2831cb57d75bf5a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:30.702024Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541/publication.mdobserved 8cadcfa41f79ea267a1dbc1383ca8824...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:30.563054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541/publication.txtobserved 5e1faa371c289e470a9629d818298562...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:28.735022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541observed cce6bf71dc09d975024e41bffdd95f18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:28.721432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541/manifest.jsonobserved 78c87dbb753b21a2a2831cb57d75bf5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:28.704140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541/publication.mdobserved 8cadcfa41f79ea267a1dbc1383ca8824...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:28.690497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005541/publication.txtobserved 5e1faa371c289e470a9629d818298562...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|