OT-2026-000079744
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000079744) never changes.
Identity and time
| Publication number | OT-2026-000079744 · never reused |
|---|---|
| Internal UUID | 01a0ae96-4375-7368-a96f-bcbe32369512 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:58.480954Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000079744 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33f5ac1f131e3f381c3476f28a5004b4618135f13203b3a606ddb856087e590b |
|---|---|
| Markdown | 8481e1100f816d19b95f14ea855e6e603f567dbf25fa64103063ef3b6b9e824d |
| Publication page | 9dd11ac4ebc5134a50b5c86f8439d2834cabe54e4eb09ef3607e397741ffa76b |
| Manifest | 93c2d616523f98a28cbcad23ad27cf3d5bd3164deac14962849881374c9b2c76 |
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 | MKY8NdHkF3ykhywwyVKOQ6XXxDDXPZyaepcrYX3n1muAhEPPi8Kn7cwEdmjAfhUvc3gTNVmbL/ihnj5dn1heCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:03:22.888797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079744observed 9dd11ac4ebc5134a50b5c86f8439d283...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:03:22.871646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079744/manifest.jsonobserved 93c2d616523f98a28cbcad23ad27cf3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:03:22.853128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079744/publication.mdobserved 8481e1100f816d19b95f14ea855e6e60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:03:22.834188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000079744/publication.txtobserved 33f5ac1f131e3f381c3476f28a5004b4...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
| Custody package | Pending Custody packages are produced weekly. |
|---|