OpenTechnical

OT-2026-000017850

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017850) never changes.

Identity and time

Publication numberOT-2026-000017850 · never reused
Internal UUID01a0ae6e-96fb-7100-aebf-4a1835cdb104 · 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-2026-000017850
StatusPUBLIC

Content hashes

Canonical textae9071506c28346b552b1baf03010f3bd529fdfdc67030b8cb530394c9146c43
Markdown0a84f267998c25c233333219ae0a54ade59d6f393378326972c2f15be6d2960c
PDF
Publication pageeffb2ee9d2c66d3cbcae217e4ad3f94031a81835d1fb39a23d5323dfc5c5a725
Manifest2d39a882d0ee1dc5f786af54b0304908bfae6415202b33454fb158af4d7196db

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
Signature6YwxIp9RnrFhWrXNmfmQah08tzCE0y/RrU0g4xkH5NxFLLIkz2+2nlKgSCwa/WY3hgyGsBHXpB8FHL1jO9HgDg==
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

2026-09-17T12:01:49.923724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017850
observed effb2ee9d2c66d3cbcae217e4ad3f940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.907792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017850/manifest.json
observed 2d39a882d0ee1dc5f786af54b0304908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.891771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017850/publication.md
observed 0a84f267998c25c233333219ae0a54ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:49.876966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017850/publication.txt
observed ae9071506c28346b552b1baf03010f3b...
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.