OT-2026-000023878
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000023878) never changes.
Identity and time
| Publication number | OT-2026-000023878 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed6-7807-bbe2-42577307d3b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 645cd92453c7b509871adc9ad15a6cbbb5b811687043d3dff3ad66c782ba5848 |
|---|---|
| Markdown | 2729d84ef21fbc549c87d37f6154822b9d607775df68d7d78571b43d512e7757 |
| Publication page | 2db0cd1db5048a0d6eda67693e9e903ba36fa3e78e30ea09be8ae510f70f8bfe |
| Manifest | 0780525da992bb9e602fb89ddabba3648f94f8670cc46aad7ad46fb426fbdd9d |
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 | i6ckT5QyczxCDc8qjWEOpkMzgmTPcM2HG87aevCqA/az/EYehD738KiJBtWtMU6AfrA95eqFb9dUrBGkLLmtBw== |
| 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
| 2026-09-17T11:50:29.200204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023878observed 2db0cd1db5048a0d6eda67693e9e903b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:29.182840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023878/manifest.jsonobserved 0780525da992bb9e602fb89ddabba364...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:29.165474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023878/publication.mdobserved 2729d84ef21fbc549c87d37f6154822b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:29.150087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023878/publication.txtobserved 645cd92453c7b509871adc9ad15a6cbb...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. |
|---|