OT-2026-000055987
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000055987) never changes.
Identity and time
| Publication number | OT-2026-000055987 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-722f-a24f-93914b374bab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055987 |
| Status | PUBLIC |
Content hashes
| Canonical text | ae20a1d5cc7442add2c99b383aba2c210a66685d157d2d6320fbeecddaaf2a57 |
|---|---|
| Markdown | 43ccc25b6b48459d2aabad58038a1df3812fea32f883908cc01f5d82f16e6e91 |
| Publication page | e6f71e8a1333c1cbaa1a5e02c6fc383b3e9d8b8082137edbb8d85393792e6b63 |
| Manifest | 177dac5ebcf44fec8a0684226fda444ca531aff66abbfb801fb704c6aaf62ec8 |
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 | RbLZS/2esuoSUJlFUUBkoAS0uO/ydOcf8ipmGnVNysx7+6gNo0NUPyo7rEm4bWAE4kgFROaj2kOOAEcYTprYDw== |
| 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
| 2026-09-17T10:51:30.626852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055987observed e6f71e8a1333c1cbaa1a5e02c6fc383b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:30.608662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055987/manifest.jsonobserved 177dac5ebcf44fec8a0684226fda444c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:30.590125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055987/publication.mdobserved 43ccc25b6b48459d2aabad58038a1df3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:30.572216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055987/publication.txtobserved ae20a1d5cc7442add2c99b383aba2c21...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. |
|---|