OpenTechnical

OT-2026-000077316

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented 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-2026-000077316) never changes.

Identity and time

Publication numberOT-2026-000077316 · never reused
Internal UUID01a0ae94-f509-7398-86d1-2494c7c9d560 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077316
StatusPUBLIC

Content hashes

Canonical text63443841c27427e458e1303ca7cb395f6e46a5cfd27f9d14c51127871e9bc9c2
Markdown72b3c7b5937ff8f1f46a7ac452fc04d079a490938f4428c189ac1e4c1b4b00a5
PDF
Publication page24908aa48c6b23faaf23f435d6495254814ddaacc04ae5c60179980de27d1d22
Manifest269f295db90f0cbef9d0bf6bf84dd5bb6f73e23cdaa87ae3f0b56ad035e02dba

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
Signatureayc9x/8DMgXf3JPPDlLjpka5/LPNvkXSNOIxyd2OeJHtoV/HGOztV7E+ZgaummCw6aCRL4EE7ZBtlc4jwM/VAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:57.228160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077316
observed 24908aa48c6b23faaf23f435d6495254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.209607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077316/manifest.json
observed 269f295db90f0cbef9d0bf6bf84dd5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.190409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077316/publication.md
observed 72b3c7b5937ff8f1f46a7ac452fc04d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.171954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077316/publication.txt
observed 63443841c27427e458e1303ca7cb395f...
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.