OT-2026-000004461
Publication integrity record
Vacuum cup gripper, plant vacuum fed, vented after set down, rubber cups, flat form
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-2026-000004461) never changes.
Identity and time
| Publication number | OT-2026-000004461 · never reused |
|---|---|
| Internal UUID | 01a0a918-82a8-7981-bfe7-371a741d4c4d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:22:30.954528Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004461 |
| Status | PUBLIC |
Content hashes
| Canonical text | d30ed97fcff1e8b2d079d532ba09df01c70f5540b28c73c729907c5a21f5ee11 |
|---|---|
| Markdown | 2fe6a8f005c9697bf09edc2eeac8c927262e68dd08b9d02d60430ff7462c2ac8 |
| Publication page | 6d71cf3c665e7b4623ee096fa767f68ce1b1b76fdd99c48b5ba0b7c3da157ecc |
| Manifest | 91cd468bba51e75cf3341ea618916bbed08b5681ce8f3b973fc9c2f3a786962b |
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 | OHWVivvn4rnSXl5BmSl9SkwiopuQZqLVOeRIzWo0pW7Aip/Ha1FiXeA5A/pR0HqKxPeo/JwBCAh/j/GZltDHCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:24.962745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004461observed 6d71cf3c665e7b4623ee096fa767f68c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:24.949980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004461/manifest.jsonobserved 91cd468bba51e75cf3341ea618916bbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.935888Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004461/publication.mdobserved 2fe6a8f005c9697bf09edc2eeac8c927...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:24.923048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004461/publication.txtobserved d30ed97fcff1e8b2d079d532ba09df01...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. |
|---|