OT-2026-000100246
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off 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-2026-000100246) never changes.
Identity and time
| Publication number | OT-2026-000100246 · never reused |
|---|---|
| Internal UUID | 01a0aea3-3053-7e57-be62-b3d69ca3408d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:05.469356Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100246 |
| Status | PUBLIC |
Content hashes
| Canonical text | 01ce685de088af5a4eab5cee2ebcb7751ddb59a736400f5d959b2422216f491b |
|---|---|
| Markdown | 2f53c2f43392a9465702ac4ce29fc29cde72d63c98048ff3230db7c9e8e53a9d |
| Publication page | e721fcab93cffb522c801b11bc3ccaf7971bbcde89733d574dc148c99c9c30d3 |
| Manifest | 6791a82b5891cf87b5ccdc060e085715690d98c1ed6d8a46fcbe155e0bcc4b8c |
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 | pKSyDuUVJ0n53agWn0ISHO6FX3woBF8s9m8kwIck9AsRBBiVsDUup1cohRE4j2pmhQJBXXZqp3IJI6RdncVKDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-11-01T08:41:47.080550Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246observed e721fcab93cffb522c801b11bc3ccaf7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T08:41:47.032621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246/manifest.jsonobserved 6791a82b5891cf87b5ccdc060e085715...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:46.979669Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246/publication.mdobserved 2f53c2f43392a9465702ac4ce29fc29c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:46.826846Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246/publication.txtobserved 01ce685de088af5a4eab5cee2ebcb775...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:42:14.933134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246observed e721fcab93cffb522c801b11bc3ccaf7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:42:14.853212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246/manifest.jsonobserved 6791a82b5891cf87b5ccdc060e085715...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:42:14.770085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246/publication.mdobserved 2f53c2f43392a9465702ac4ce29fc29c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T20:42:14.684045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100246/publication.txtobserved 01ce685de088af5a4eab5cee2ebcb775...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 |
|---|