OT-2026-000081139
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000081139) never changes.
Identity and time
| Publication number | OT-2026-000081139 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b977-72a9-ad53-5450bc7d00b2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081139 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3518fcde09b88ab8250f495db8932b5e169744e317598723d3252b78f41cba25 |
|---|---|
| Markdown | 4771473a874bc73f9856b333e098cfa2ef7173f88fdd21e396a9034128ba317b |
| Publication page | f2061ede9f9a5771808d020cdca4e8e1b9f5ba4efb901a03acbd04e0396a877c |
| Manifest | e9a668d65407ecfc955de4503ba99a8204321f268b9746d81277d28e3de11ae7 |
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 | EAt5gWNKrWlE7CvlAw7h5IhmuJH0D8NlCoKgYZ6K7bJh4N2cHXVENQt5bk2DVBbAvRxGl66FWBWDumDb3h/9AQ== |
| 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
| 2026-09-17T10:02:27.196512Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081139observed f2061ede9f9a5771808d020cdca4e8e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:02:27.178759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081139/manifest.jsonobserved e9a668d65407ecfc955de4503ba99a82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:02:27.161690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081139/publication.mdobserved 4771473a874bc73f9856b333e098cfa2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:02:27.143645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081139/publication.txtobserved 3518fcde09b88ab8250f495db8932b5e...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. |
|---|