OT-2026-000072490
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000072490) never changes.
Identity and time
| Publication number | OT-2026-000072490 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-7146-9ccd-4d2bc80d51e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072490 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11b9b5f7ee3d4ae2c9b7f5b6121e31ab84a6c9c59057115f5421028466dbdec2 |
|---|---|
| Markdown | f30ff8b5fd89cf11c3d6e7130cbb68d8623f38cb721ca335174e114b11ab48f5 |
| Publication page | 4e4fec5ed0d60f0c4ccc2c08d26b9e3e198478a1ef92879585264bb4a697c233 |
| Manifest | 5f134b4c64cd64ef208adba9640e9f9ff044dbb5a6bf54758bdc302cae169bd3 |
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 | G6DTuBhQxQw0rYwr2vrVDLpkIQLx7DnohTYtRpsni8c/CibtzJErW61YQBfW7I580f5COr8OKQnZGSsr8X4XCw== |
| 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
| 2026-09-17T10:22:19.004908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072490observed 4e4fec5ed0d60f0c4ccc2c08d26b9e3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:18.988168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072490/manifest.jsonobserved 5f134b4c64cd64ef208adba9640e9f9f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:18.968819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072490/publication.mdobserved f30ff8b5fd89cf11c3d6e7130cbb68d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:18.950272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072490/publication.txtobserved 11b9b5f7ee3d4ae2c9b7f5b6121e31ab...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. |
|---|