OT-2026-000013512
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000013512) never changes.
Identity and time
| Publication number | OT-2026-000013512 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-70f7-9ae7-b92240440ad5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:22.837188Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013512 |
| Status | PUBLIC |
Content hashes
| Canonical text | 138b3de811eeb45c1dcd8637ddec26a65a9244362c4838fd027d6cdfa040d767 |
|---|---|
| Markdown | 5d4da3b9b16221b29b8a50b407f063ea1c0297905aa4f788d775cadfb70691f0 |
| Publication page | 44e701da58b156fe3fe6aef75c8886a8f3cd5b98de0b0db49ce9cf9f0242f789 |
| Manifest | 4faca8232891a320318951221e523da3a7aba5094a4b87606e3af48b987e3832 |
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 | 3NWwvW5k3BIxAKu93LBz4d8twj5ediUdEc3k9+KknRXhWqDmi2PFyjxUqQmAcLaiakpM7THkpDn0c7DWkh20BA== |
| 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
| 2026-10-26T08:41:29.665389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512observed 44e701da58b156fe3fe6aef75c8886a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T08:41:29.528245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512/manifest.jsonobserved 4faca8232891a320318951221e523da3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:29.463059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512/publication.mdobserved 5d4da3b9b16221b29b8a50b407f063ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:41:29.354697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512/publication.txtobserved 138b3de811eeb45c1dcd8637ddec26a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:01.525321Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512observed 44e701da58b156fe3fe6aef75c8886a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:01.507109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512/manifest.jsonobserved 4faca8232891a320318951221e523da3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:01.490082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512/publication.mdobserved 5d4da3b9b16221b29b8a50b407f063ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:01.472022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013512/publication.txtobserved 138b3de811eeb45c1dcd8637ddec26a6...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|