OpenTechnical

OT-2026-000027510

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000027510) never changes.

Identity and time

Publication numberOT-2026-000027510 · never reused
Internal UUID01a0ae72-6998-7548-a99d-44628f7032e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027510
StatusPUBLIC

Content hashes

Canonical textba5c542a1ca12f34b087ff746bc22a531b293cbeb68ec3ad477621e84042f34d
Markdown3ba49723d7e1551802cb101c75e6b48862a57e17d8de8ca59f953362a769f290
PDF
Publication page975ec8be27a8a64c8c1ad293fbca97e8e5fca792275fb34e84baf99ca9945b54
Manifest2228a6b5d6d329589cdd6dcdd28e5f88db6626d309549345294d8e74a3fd24bb

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
Signaturez4wk5ed1dvtkG/zIH9o/Oriqm19627pzxeNjNAwbwvlRSn/cR78acORZ52CIoGW59TvcRCjXqO5fzNmPLSgDDA==
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

2026-09-17T11:42:59.170215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027510
observed 975ec8be27a8a64c8c1ad293fbca97e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.152029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027510/manifest.json
observed 2228a6b5d6d329589cdd6dcdd28e5f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.134652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027510/publication.md
observed 3ba49723d7e1551802cb101c75e6b488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:59.115059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027510/publication.txt
observed ba5c542a1ca12f34b087ff746bc22a53...
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.