OT-2026-000003987
Publication integrity record
Porous face vacuum gripper, three zone face, pump fed, pressure verified at each zone
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-2026-000003987) never changes.
Identity and time
| Publication number | OT-2026-000003987 · never reused |
|---|---|
| Internal UUID | 01a0a90c-73e5-7245-9b69-38e89b74ecf7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:20.744382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003987 |
| Status | PUBLIC |
Content hashes
| Canonical text | 640f661b203fa52ba8d4339437fab823beed686efeafab63daea3db956753eb2 |
|---|---|
| Markdown | 9e106e6e055da03d177d1c548b623cc4cfdf915d63572e80f646586c25611738 |
| Publication page | 1a6acf15fdfc738b8fdac3260391f393970cbe693d43a0fd999d3de53f5f9d23 |
| Manifest | 6fe0dde973a3674877d9c2ef352c47d5570b510c2894490264b945faa5cfcf7f |
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 | sBxS2j3I7Y9JAPRJtzjQa4dmc0rtmWFXsL/99YSAdi+ydo/FDCHlyrFUuUd90LPzGc2dx5Q2bUv19oQX90/hBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:07.995754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003987observed 1a6acf15fdfc738b8fdac3260391f393...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.980416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003987/manifest.jsonobserved 6fe0dde973a3674877d9c2ef352c47d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.966100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003987/publication.mdobserved 9e106e6e055da03d177d1c548b623cc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.945931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003987/publication.txtobserved 640f661b203fa52ba8d4339437fab823...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. |
|---|