OT-2026-000059740
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000059740) never changes.
Identity and time
| Publication number | OT-2026-000059740 · never reused |
|---|---|
| Internal UUID | 01a0ae89-ec25-76d2-bced-e0223fa45b4f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:44:29.732559Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000059740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b910002bcb54bdd98ef21f907bfe0bc9e28c7b79e9c3886683eb0ae16a491f1 |
|---|---|
| Markdown | d61fc47045d1070a3a9fbf1165a60b199a85ba52f901ce39ff6c319059ad8284 |
| Publication page | 5c2d367c86cc562e8ea281918577cfde84b2331850314bc28cfd92c23664f256 |
| Manifest | cbc1e812571e34c57f01cb49448c9aa62781f084c0d44dcf4639a06402183a76 |
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 | XFfncFepVZFpkSVP4wSEXnGs6kZ0Uw2ka3KprwqBGmGg91+97dGOYwAY/T0DNb9ONzjZeOJX4VVlpiH4o89zAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:44:27.724063Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059740observed 5c2d367c86cc562e8ea281918577cfde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:44:27.704873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059740/manifest.jsonobserved cbc1e812571e34c57f01cb49448c9aa6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:44:27.684988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059740/publication.mdobserved d61fc47045d1070a3a9fbf1165a60b19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:44:27.666919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059740/publication.txtobserved 0b910002bcb54bdd98ef21f907bfe0bc...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. |
|---|