OT-2026-000052980
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000052980) never changes.
Identity and time
| Publication number | OT-2026-000052980 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7580-8b7c-cb938373faf9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4e194b4bd13f1030b63617a3c0bde125bc43fb2a27c581437ffd127b8d41b428 |
|---|---|
| Markdown | 4c5cd075a3f7d95f4c625c829794521f624ba480efba694157e146b8ec4f97cc |
| Publication page | e65342323682b2b480238f3a382428d9d97578cdc49a937d2c0b2639621bc082 |
| Manifest | a0c0ff15098a861e1e0ddbfe27fc5c24410455f9ff55860e4c608ce57f9c3de6 |
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 | YKDiAmbIkzHyf4ysc2BhQGK9ACjtXGPmhXUBcDUl0Tb0qbDQuoUbNkwSR/Wfrra0PwTMa9tum55X5ov4g1GvDA== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:40.139622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052980observed e65342323682b2b480238f3a382428d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:40.122064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052980/manifest.jsonobserved a0c0ff15098a861e1e0ddbfe27fc5c24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.103066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052980/publication.mdobserved 4c5cd075a3f7d95f4c625c829794521f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.084426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052980/publication.txtobserved 4e194b4bd13f1030b63617a3c0bde125...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. |
|---|