OT-2026-000008215
Publication integrity record
Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, vented after 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-2026-000008215) never changes.
Identity and time
| Publication number | OT-2026-000008215 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908d-7736-a285-d6f65f168b7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008215 |
| Status | PUBLIC |
Content hashes
| Canonical text | a9e10837ff97bae70fde6f883127a7652005809bb55a89a7c549ac4673ea8fa6 |
|---|---|
| Markdown | cb93dcf66b0eb34e27b4bdd1abbee009347a2abc81642024aff230f76626f80b |
| Publication page | f6b8fe343b4c5da96d1c8e97a5d5c36765292aa2a9325b1a2e8993ae8e7da68a |
| Manifest | b58031b3a1ec13ab37cf9083a72f19dfe1cc1b4f9c34982bc1e188654569deb3 |
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 | e4HtIYagLC5irNHX8Hf9Lu15BO1h0NwtHtQMY9NEoSQOuT5Pi5WM/1wPUkbagaAbHoJrF+1uLKnXAReYsXeKBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-10-09T04:23:46.622941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215observed f6b8fe343b4c5da96d1c8e97a5d5c367...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-09T04:23:46.605661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215/manifest.jsonobserved b58031b3a1ec13ab37cf9083a72f19df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:46.580844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215/publication.mdobserved cb93dcf66b0eb34e27b4bdd1abbee009...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-09T04:23:46.554622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215/publication.txtobserved a9e10837ff97bae70fde6f883127a765...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:04.005518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215observed f6b8fe343b4c5da96d1c8e97a5d5c367...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:03.940827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215/manifest.jsonobserved b58031b3a1ec13ab37cf9083a72f19df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:03.819246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215/publication.mdobserved cb93dcf66b0eb34e27b4bdd1abbee009...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T16:41:03.729496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008215/publication.txtobserved a9e10837ff97bae70fde6f883127a765...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 |
|---|