OT-2026-000029836
Publication integrity record
Single bellows cup 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-2026-000029836) never changes.
Identity and time
| Publication number | OT-2026-000029836 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac47-7ede-b303-b7117366a145 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029836 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf8d1963516ed18cb5cf7e389c2001854d1240a28fad196475357829af9980c4 |
|---|---|
| Markdown | 19372110a5b695c2ebd967464922a330f8f8b74fed9256507005118ac265d3d5 |
| Publication page | 6bfe33c78984b2c099ec2de1d5e24357ea21df399651235396638d40ca658d8b |
| Manifest | bca80c8cf7fdc255379004aab6ce82350f54a23da280b68c9ad634a67beb06d1 |
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 | V8XibTgmfANdVk21Lb7Bs2Se0nS0WwUAlcoDJtabDq62wlaVdO7bYyVwJ0+Rlh5JIuH5inhbG+DkxmwkcZcJAw== |
| 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
| 2026-09-17T11:38:30.846029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029836observed 6bfe33c78984b2c099ec2de1d5e24357...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:30.830420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029836/manifest.jsonobserved bca80c8cf7fdc255379004aab6ce8235...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:30.813421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029836/publication.mdobserved 19372110a5b695c2ebd967464922a330...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:30.796140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029836/publication.txtobserved cf8d1963516ed18cb5cf7e389c200185...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. |
|---|