OT-2026-000072015
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000072015) never changes.
Identity and time
| Publication number | OT-2026-000072015 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c0-7e1e-9e23-b9e04776ea9d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072015 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6b92eb18fa7dbd2295ec0ff9281a4e3bc5a1dc56334fe13874e82d6babfe236 |
|---|---|
| Markdown | cfd6c61e20b8985e860d1b42d4e6ed8d2183b6e7576f2dd85ab594c9fe1d8e70 |
| Publication page | 67b1ca55cbab8f40e7c355f1d0472c07b6f33bcf6d1e9183dfee6e980b11c990 |
| Manifest | 14ab56a2e404580ba9854c1258d340944554b83a139efc1231184245afee4c24 |
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 | bVgi5vr8S0Th5ioMXqIhWjlj+EoYk7F4ZvIpSnnphIhgNCvDhJBMEC1Yp8R+XkbzRE2xr8z0MFQe/iVG1ncSCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:04.627640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072015observed 67b1ca55cbab8f40e7c355f1d0472c07...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:04.609803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072015/manifest.jsonobserved 14ab56a2e404580ba9854c1258d34094...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.592885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072015/publication.mdobserved cfd6c61e20b8985e860d1b42d4e6ed8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:04.577750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072015/publication.txtobserved e6b92eb18fa7dbd2295ec0ff9281a4e3...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. |
|---|