OpenTechnical

OT-2026-000017739

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000017739) never changes.

Identity and time

Publication numberOT-2026-000017739 · never reused
Internal UUID01a0ae6e-96fa-75a3-b9f7-af59592a825d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017739
StatusPUBLIC

Content hashes

Canonical textd7ecc5631b8406ea840a66c96cd23f969fd0e9936b2fdb8ef665411f26e8d23a
Markdownc3420be14b37fd47568a18b6ccfcc0a707051e2e65ce5a069b7b322940f5cffe
PDF
Publication pagecbbb953e76df3f5767354b1002947b20f98e0169aee5001b0384299e084c19e5
Manifest95de24c077fec540607090e0f19a843b14c3178f6483392513b679013cfdbe03

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
SignaturePdPrqawefld5XUBvaErSioK7g86ZA7Ru9ZPHXul+KeIfIa/LoZ61B4XG1Oi1yCJE767N4oRnj61ioB72TtIJDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:41.494470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017739
observed cbbb953e76df3f5767354b1002947b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.478474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017739/manifest.json
observed 95de24c077fec540607090e0f19a843b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.463239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017739/publication.md
observed c3420be14b37fd47568a18b6ccfcc0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:41.445458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017739/publication.txt
observed d7ecc5631b8406ea840a66c96cd23f96...
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.