OT-2026-000005821
Publication integrity record
Vacuum cup gripper, two zone face, three stage ejector, pressure verified, contact triggered, polyurethane cups
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-2026-000005821) never changes.
Identity and time
| Publication number | OT-2026-000005821 · never reused |
|---|---|
| Internal UUID | 01a0a945-fa6f-76ef-995b-77b19406283f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:12:10.738547Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 95301ba2a6b53a43277dfe5a86fb109c2cc6829a06924f2509235fc6b400b820 |
|---|---|
| Markdown | 42132269df4210f1e1bc763f8d1a2ecc37e8bf2ff4923cdea2d0876d4bf146cb |
| Publication page | 86fd307a4fc4b2a34c3f7582f6fdef8e5ea1d6e5c6ecfc0ce5394e4309eca5ee |
| Manifest | 8b2ade93f7ad15367ce34fa96d45d4b70d34879b38d93f606a5271f465832a67 |
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 | scz/tvjvep+aqzsSbovhrP9IDopSi08FWdSUvkbRZ0FmeAeyK1Mg51eLSQrVHqyRhZ56y0aDtdqY0aCuSmtuCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:28.920907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005821observed 86fd307a4fc4b2a34c3f7582f6fdef8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:28.907927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005821/manifest.jsonobserved 8b2ade93f7ad15367ce34fa96d45d4b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:28.894376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005821/publication.mdobserved 42132269df4210f1e1bc763f8d1a2ecc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:28.879680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005821/publication.txtobserved 95301ba2a6b53a43277dfe5a86fb109c...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. |
|---|