OT-2026-000007219
Publication integrity record
Porous face vacuum gripper, three zone face, per zone isolation, two stage ejector, closed cell
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-2026-000007219) never changes.
Identity and time
| Publication number | OT-2026-000007219 · never reused |
|---|---|
| Internal UUID | 01a0a976-f921-7a5c-981e-9524d0db15de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:05:41.668892Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007219 |
| Status | PUBLIC |
Content hashes
| Canonical text | a063400a23bd8a834a0bc629e8bae94da345eee623098d0c43db2942c1daff6b |
|---|---|
| Markdown | e8e7a3d8afd37de8cdba3a2dc91c7074d79f5cde313155c14eee02fec09aa046 |
| Publication page | 47cae6881f8064a1f5fb5263452bef975f99dbf3661fef8008f3b057dfd94726 |
| Manifest | ef0625cc4d66111626ca1c42d3d61c456341733ed5cf788f121d85ac428d32a1 |
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 | 22/M1ScQtXvMYkzNV1NjJIwr+UsgZyqMYqnB+o//UbxSyOz2USzk5eLPUJR8pnzeQ10HC6duwMpeIFaIWFlKAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:14.700840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007219observed 47cae6881f8064a1f5fb5263452bef97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:14.688517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007219/manifest.jsonobserved ef0625cc4d66111626ca1c42d3d61c45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.676102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007219/publication.mdobserved e8e7a3d8afd37de8cdba3a2dc91c7074...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.663993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007219/publication.txtobserved a063400a23bd8a834a0bc629e8bae94d...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. |
|---|