OT-2026-000020221
Publication integrity record
Three cup vacuum gripper, three outlet manifold, 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-2026-000020221) never changes.
Identity and time
| Publication number | OT-2026-000020221 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-773a-9474-b1c0485ed901 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2950e9c44e7888b9a53c9343592898dbd809121db4df70d848b90ca6a8b53e82 |
|---|---|
| Markdown | 602089e680ce90811539911921f1791b0eece95bf89be35de9e7dc5eebd181f4 |
| Publication page | 74229fc3dddcb56c6cf4c21b751c817f02b646d95bdc91ef986ea53d31c2f602 |
| Manifest | a788d127779cc2461ff03519beb9ef6d4ebf6a16a74f0341697728aa7b057535 |
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 | +Woio4thNKFG2b0phrM7Bf0h5Mg8Loax6VqV1MxprVhgydGb2jk4cDHBeBCkOrGsEpCT/yPXmA6kOoyCDt5uCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:33.326492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020221observed 74229fc3dddcb56c6cf4c21b751c817f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.306752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020221/manifest.jsonobserved a788d127779cc2461ff03519beb9ef6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.289273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020221/publication.mdobserved 602089e680ce90811539911921f1791b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.272208Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020221/publication.txtobserved 2950e9c44e7888b9a53c9343592898db...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. |
|---|