OT-2026-000021445
Publication integrity record
Single cup vacuum gripper, three stage ejector, sustained 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-2026-000021445) never changes.
Identity and time
| Publication number | OT-2026-000021445 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7ee5-bd2c-e97496b8b659 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021445 |
| Status | PUBLIC |
Content hashes
| Canonical text | 175df2c91a4a29cbff3880eac44012280704efa2f6a502a491ac3ed2f8e5a343 |
|---|---|
| Markdown | 642b20611af59a089ff050b3962cb525a33e38ee8364a83ab4e226aaf065f7ee |
| Publication page | 304df6f2b2733208b91e6a22cd84771cd6e233c846c8113af912dbf2d1b0ef47 |
| Manifest | 61d49407a13dfa0b9ebb7a5ee2e5fa607455497c9d9aecac2324107de73fe355 |
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 | VCrwcCuS1bq9CgycH55+ydaA4j0pqA3RunVwwcKN6BMVQQBEqdFHsJzXRFK/0Po3VAvBrWoLUo1sbHXYrJK8BQ== |
| 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
| 2026-09-17T11:55:21.374993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021445observed 304df6f2b2733208b91e6a22cd84771c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:21.358099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021445/manifest.jsonobserved 61d49407a13dfa0b9ebb7a5ee2e5fa60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.341471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021445/publication.mdobserved 642b20611af59a089ff050b3962cb525...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:21.323061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021445/publication.txtobserved 175df2c91a4a29cbff3880eac4401228...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. |
|---|