OT-2026-000072220
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, vented before set-down
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-2026-000072220) never changes.
Identity and time
| Publication number | OT-2026-000072220 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c2-70c0-a7d1-2b50425909d6 · 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-2026-000072220 |
| Status | PUBLIC |
Content hashes
| Canonical text | f1908de24e2b1bb7b03d854b3ea232540d2c1e0db385c5a33b71f1bb5d2bc060 |
|---|---|
| Markdown | f259a68216f1f6cd548e18725aded6f2f9e4fc492010bd3ebab530bf6c0dafba |
| Publication page | 24afc75c23b82df07a6937b2d2cfd904192e132960b081a8e3c77e97fda9f0a7 |
| Manifest | c7509d5b1ec3170f1b9c3e98bab06d66bfb419f0ae4d8db6e9598ff819fcdc6b |
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 | O5eYXFuNkPWJ6hyCGB3sPqqx/a3KMXdfZSAU1gdGg2plJAtAADwjvGWhPRkZNTnCvxRtbPG5cj9B7t8y6U2JCQ== |
| 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
| 2026-09-17T10:23:19.394646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072220observed 24afc75c23b82df07a6937b2d2cfd904...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:19.378363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072220/manifest.jsonobserved c7509d5b1ec3170f1b9c3e98bab06d66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:19.361232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072220/publication.mdobserved f259a68216f1f6cd548e18725aded6f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:19.344310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072220/publication.txtobserved f1908de24e2b1bb7b03d854b3ea23254...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. |
|---|