OT-2026-000091057
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000091057) never changes.
Identity and time
| Publication number | OT-2026-000091057 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-7fef-af41-2b8fe4525092 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091057 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4a75b75670f68dd7cca15b52d7d0454811535b03c475253a26ce3b08873308f |
|---|---|
| Markdown | a029ba296de4e9ee43827eeb4bdebee1091f97f1a0af1bb1aeda6d5218fbe7c8 |
| Publication page | b63ee7773eafa4681a2094d2de3188ad790aeb12cabab9ebdadcf1880bd36aa1 |
| Manifest | 10ede64e339f99f0a57016ec28d33ac34c62139f271eb422903254f18418eacc |
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 | FV7Hk5HddE8ep+1Li8kMn70iovzvrVSFtg181HaTCzhbFY2NXLrp/oG5PaZzTrVf4ZM+8bBIKfd56uvZT7mfAw== |
| 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
| 2026-09-17T09:44:17.900256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091057observed b63ee7773eafa4681a2094d2de3188ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:17.883034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091057/manifest.jsonobserved 10ede64e339f99f0a57016ec28d33ac3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:17.864292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091057/publication.mdobserved a029ba296de4e9ee43827eeb4bdebee1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:17.846315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091057/publication.txtobserved c4a75b75670f68dd7cca15b52d7d0454...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. |
|---|