OT-2026-000055703
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000055703) never changes.
Identity and time
| Publication number | OT-2026-000055703 · never reused |
|---|---|
| Internal UUID | 01a0ae87-09ca-73ab-a1b8-3782cd6be87f · 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-2026-000055703 |
| Status | PUBLIC |
Content hashes
| Canonical text | 09e9f81d8e519d8fe3c2dad0cdd460b65f9b3c9e51e18a84b245587e070a6f39 |
|---|---|
| Markdown | 453c1c161aee42fed555efc9c609de49acae02841ec8304674ec7dead7f212c1 |
| Publication page | 909e75867984d6e13e03576b99690d3ea90272a7374b58a66dd9b9f3f0c46a9e |
| Manifest | f6309ddb37640645e452b354362fdebb14c1317075de7182e0b4d157a53b79d7 |
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 | ysspeiXNF9e29fyTqNM8/ZQAa/uduBI2H79Y7mMdHM7+j0LZ8+LHN4+mcE8hoNWxuYQN+N1d6rRo2c6E0wWEBQ== |
| 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
| 2026-09-17T10:51:01.842690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055703observed 909e75867984d6e13e03576b99690d3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:01.824820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055703/manifest.jsonobserved f6309ddb37640645e452b354362fdebb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:01.806477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055703/publication.mdobserved 453c1c161aee42fed555efc9c609de49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:01.787556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055703/publication.txtobserved 09e9f81d8e519d8fe3c2dad0cdd460b6...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. |
|---|