OT-2026-000013831
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000013831) never changes.
Identity and time
| Publication number | OT-2026-000013831 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7eac-a199-0e248cbd1101 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013831 |
| Status | PUBLIC |
Content hashes
| Canonical text | 458381b542ca7295aeead70f16c54917c93bc95c9e189bfed721b09410c769fc |
|---|---|
| Markdown | f204c5e0564113f585f8f77d7e0adf34d1a3019f6310c86eddf0d8989e8877f4 |
| Publication page | e527096c63666703a8a5c1c5fda5dcb9615ea665696905abf7475ecc2b34fb1b |
| Manifest | 19dcdb4dded892e89727dbdb9ccd2d21f62dc05c8b2590e2319fd8b5c539c78e |
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 | Mbz3iguwv3zc68mTARlIaPiKsZvR1QSMjtOrP4GKfpXOC8Q5sXit92kl3YgdAdjR3326fEHwxYMgIN3+WrWoCg== |
| 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
| 2026-09-17T12:08:56.001578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013831observed e527096c63666703a8a5c1c5fda5dcb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:55.978814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013831/manifest.jsonobserved 19dcdb4dded892e89727dbdb9ccd2d21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:55.959240Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013831/publication.mdobserved f204c5e0564113f585f8f77d7e0adf34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:55.937319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013831/publication.txtobserved 458381b542ca7295aeead70f16c54917...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. |
|---|