OT-2026-000061472
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000061472) never changes.
Identity and time
| Publication number | OT-2026-000061472 · never reused |
|---|---|
| Internal UUID | 01a0ae8b-7b43-7c71-be06-89d0785b4fc3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:46:11.808334Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000061472 |
| Status | PUBLIC |
Content hashes
| Canonical text | bfbbf751c8cae9f83f2e356b6621590a901a56e7e6ea8c1ae09f5fb38d6cb261 |
|---|---|
| Markdown | ec72b630af1a4ffa8c9e43d2ff8d43042cdea45121d12fc84f49561302aca53b |
| Publication page | d691f3f6516c31e8e55d2424d7c90a38b433bfa57341bf6b5d6a12f3814bb3f8 |
| Manifest | d0633a1ec3dedc0780e633e371f6cafa94eee587833c0d84c26fd33f6838df58 |
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 | ZVYlSkvUsbtsV1EjYh+uPCKg9mLXB+tzCy2qkeQl4xexSuOHPE70J13sNWQyCpUlONzWpnxGkeenXeUT2PRmBQ== |
| 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
| 2026-09-17T10:41:21.543324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061472observed d691f3f6516c31e8e55d2424d7c90a38...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:41:21.524678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061472/manifest.jsonobserved d0633a1ec3dedc0780e633e371f6cafa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:41:21.502987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061472/publication.mdobserved ec72b630af1a4ffa8c9e43d2ff8d4304...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:41:21.483138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061472/publication.txtobserved bfbbf751c8cae9f83f2e356b6621590a...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. |
|---|