OT-2026-000072728
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072728) never changes.
Identity and time
| Publication number | OT-2026-000072728 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d9-7134-a1b4-1c7b7d0c814e · 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-2026-000072728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 68c8b6a891fc62e36a75410d88a364a54396197938e1acf7be3696cb47c81f26 |
|---|---|
| Markdown | cf79a45b7008a232332f560d87c041369577f72a1dd00ac2eb1129b8c539ae39 |
| Publication page | 26de4112a8c991d26ab35adc7c930800191cd0be8aab5b88c0ab40f21ccf371f |
| Manifest | 8ee8dab2807bbe3bf0d68a580092eef3a371309eef42429cb00dcff3aace18da |
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 | bSi5tWzHSwLVEIFI0vWF9BRxdehj0D1kKguZr8uqEiU7UBZJlcnYUdeT98z8GRE9akyOzqp3PvV0pZlxF/GnBQ== |
| 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
| 2026-09-17T10:22:37.658471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072728observed 26de4112a8c991d26ab35adc7c930800...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:37.641372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072728/manifest.jsonobserved 8ee8dab2807bbe3bf0d68a580092eef3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:37.623364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072728/publication.mdobserved cf79a45b7008a232332f560d87c04136...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:37.607457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072728/publication.txtobserved 68c8b6a891fc62e36a75410d88a364a5...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. |
|---|