OT-2026-000103682
Publication integrity record
Four cup vacuum gripper, four zone face, pump fed, pulsed blow-off after 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-2026-000103682) never changes.
Identity and time
| Publication number | OT-2026-000103682 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e462-7079-9122-fad291d97bea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103682 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83982eb2f77eeb92e73efc36f7434f979672d0c9ae6d07a6b0f7291c861e2942 |
|---|---|
| Markdown | f8bcb6f61f8b16ce5e5f8c2c94f4f14afd73dacdc0eacf7b99105bc842b926f8 |
| Publication page | 415f297dcf1b2b960d2ce830d666f96fa1f60dcacce2869f5f6a34d8d1c9d6af |
| Manifest | d3fb2950a5c3acca5b37513c34c9e9f3e5b4e5986d9afc679078247ce8225d8e |
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 | z4hRTuzjYV/LZMTgl02/IaT43t9pGUY0nLcXEUWiPFphLkztVvxAL52wB3+5ThYV9N2LwCRinH5swBJn7PzJDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:29.120702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103682observed 415f297dcf1b2b960d2ce830d666f96f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:29.104893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103682/manifest.jsonobserved d3fb2950a5c3acca5b37513c34c9e9f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:29.088515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103682/publication.mdobserved f8bcb6f61f8b16ce5e5f8c2c94f4f14a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:29.072944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103682/publication.txtobserved 83982eb2f77eeb92e73efc36f7434f97...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. |
|---|