OT-2026-000013496
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-2026-000013496) never changes.
Identity and time
| Publication number | OT-2026-000013496 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-6fcb-75bc-a2bf-a517e7646d0b · 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-2026-000013496 |
| Status | PUBLIC |
Content hashes
| Canonical text | f168bbb2da5ca38afa831af23e37316c681cbc68889d8051ac592ace70ccfb76 |
|---|---|
| Markdown | 3c70b5bde0a780f5b204c3c851916f0513988a62a8baf908e63db138ee32b9d2 |
| Publication page | d3d3b71c350f90cb0aae0fe961e061693068c2871531bfd8b7b9090d302781cc |
| Manifest | b5b2995f13a36d62d953dc6e95adeb8a342e39763878f7f6a506a062ecbe0ea9 |
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 | SFaxUcnOGg8c5Bzupc39NmUEj+WVSejNX/5nKE3VJJ2nazhMXJRknGk7soEoC8QA96FuhIozgEHDJK6k0f7UBA== |
| 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
| 2026-09-17T12:10:00.211098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013496observed d3d3b71c350f90cb0aae0fe961e06169...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:00.191771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013496/manifest.jsonobserved b5b2995f13a36d62d953dc6e95adeb8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:00.174126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013496/publication.mdobserved 3c70b5bde0a780f5b204c3c851916f05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:00.153871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013496/publication.txtobserved f168bbb2da5ca38afa831af23e37316c...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. |
|---|