OpenTechnical

OT-2026-000101790

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pulsed blow-off after set-down

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-2026-000101790) never changes.

Identity and time

Publication numberOT-2026-000101790 · never reused
Internal UUID01a0aea4-0e17-7ade-b4fe-1760f06d6a9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101790
StatusPUBLIC

Content hashes

Canonical text8f242f2c4194e11cc5788816e8a12fdcb6ee17bf589128b26ea59a1f923be38a
Markdown39ceee88eedf374a36d8623068109850e04f0784989350d32ac219d20c5ff342
PDF
Publication page1c24fbd90f6c64f724bedc9450c4bd532f9b73c04ffa9be63c1887924d8dccd5
Manifestdfb415aa15fbd7c3498064636afbd990a959c5ab1c1c39a650f025a375a573b5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature9Y5U8lqvgP9gGevWU2AW6X8o3AsbsiXgqVzgHGVT2Nermx0dPIAKYtw3LRyzhQyPL95cnT9pwpUFE1cOtwIQAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:38.240665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101790
observed 1c24fbd90f6c64f724bedc9450c4bd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.223044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101790/manifest.json
observed dfb415aa15fbd7c3498064636afbd990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.205114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101790/publication.md
observed 39ceee88eedf374a36d8623068109850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.187412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101790/publication.txt
observed 8f242f2c4194e11cc5788816e8a12fdc...
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 archivePending 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 packagePending Custody packages are produced weekly.