OT-2026-000055253
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000055253) never changes.
Identity and time
| Publication number | OT-2026-000055253 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a0ff-754a-bd95-1c8940d04f45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ad01a5f5df3ddadfc7a0bd2cf8a9f0710f00dad235f9c99ec6b303dc0edebca |
|---|---|
| Markdown | a71e253553a955896cece1404eb0b7e73ef9415f4ebf85c0b901de975e7ed355 |
| Publication page | 7082d23613a10c491a0fdd8ee3f1f79b8600e1f91aabf3f4f9667d16bbaceba3 |
| Manifest | db1dc0bc689f3111e9b4e316a2ff0b0e1b41c38244d61ddebadb24337c7d1312 |
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 | Oh2p4DZTwcEtK88X81FGpQwyyb3W3JvFpI+eQJcP4b3BWUtyOGSB+UszUbxnDyfA6K2IQ26xYWxdSEENTevTBQ== |
| 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
| 2026-09-17T10:51:50.436043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055253observed 7082d23613a10c491a0fdd8ee3f1f79b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:50.418412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055253/manifest.jsonobserved db1dc0bc689f3111e9b4e316a2ff0b0e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:50.400817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055253/publication.mdobserved a71e253553a955896cece1404eb0b7e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:50.381499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055253/publication.txtobserved 1ad01a5f5df3ddadfc7a0bd2cf8a9f07...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. |
|---|