OT-2026-000057818
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000057818) never changes.
Identity and time
| Publication number | OT-2026-000057818 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7b99-9a68-0ca9935c6e0f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057818 |
| Status | PUBLIC |
Content hashes
| Canonical text | eb44c8d994d51b1712f7d022fc978af0833a049ec369d624ed2ee8cc4e92dcb0 |
|---|---|
| Markdown | 00ba8774746e72ddad165bf13318f32aa417b9b706a5779508339b4db0968c57 |
| Publication page | 2be685615980a688882044b6cb0b2d1e44ef67fc1f03470acfd41ac41047351a |
| Manifest | 4325bf00dc44a9cc83b586147a3ba9515756e870d8fba5846e1a6af1cd0b4567 |
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 | jLlJGdbShoaF65KA27O0aGg1cYf3fCXUEgWnnjNxgczBK/LmBviDXf7EsPVoh3O47ap8yQ/ytrIRIE3aYa35BQ== |
| 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... |
|---|
Independent retrieval
| 2026-10-08T04:41:06.955256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818observed 2be685615980a688882044b6cb0b2d1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T04:41:06.774200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818/manifest.jsonobserved 4325bf00dc44a9cc83b586147a3ba951...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:06.622284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818/publication.mdobserved 00ba8774746e72ddad165bf13318f32a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T04:41:06.416555Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818/publication.txtobserved eb44c8d994d51b1712f7d022fc978af0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:50.010414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818observed 2be685615980a688882044b6cb0b2d1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:49.993636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818/manifest.jsonobserved 4325bf00dc44a9cc83b586147a3ba951...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:49.959082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818/publication.mdobserved 00ba8774746e72ddad165bf13318f32a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-20T04:23:49.885353Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057818/publication.txtobserved eb44c8d994d51b1712f7d022fc978af0...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 |
|---|