OT-2026-000072300
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000072300) never changes.
Identity and time
| Publication number | OT-2026-000072300 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c3-77f8-b247-c225382a2c50 · 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-2026-000072300 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7250f8eb9d2bb6aa5f943da7a893c4c6ae48fdcfcdb6b7460a11884482640052 |
|---|---|
| Markdown | 6583130671941272f9cc57fb93a4a0385a8b435a3729309928256e774879c244 |
| Publication page | 56c3b0dc809a3ba4e80835de448a0d36db72b3f51756fed0d9b1b971892874fa |
| Manifest | 30a0b37b7fb42805933b9ce198e2ded9aaab11dfba6466df7116c601166b8985 |
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 | 7ubrFeNkDHmD5o5Hu99GVbfRXa72gZkhuzFJ/MOZ/WnU7DU1cgzQchv6i98VLRdeJcMOmd8zQueUq/nKtvYSAA== |
| 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
| 2026-09-17T10:23:31.255078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072300observed 56c3b0dc809a3ba4e80835de448a0d36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:31.237995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072300/manifest.jsonobserved 30a0b37b7fb42805933b9ce198e2ded9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:31.219918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072300/publication.mdobserved 6583130671941272f9cc57fb93a4a038...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:31.202189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072300/publication.txtobserved 7250f8eb9d2bb6aa5f943da7a893c4c6...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. |
|---|