OpenTechnical

OT-2026-000008497

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000008497) never changes.

Identity and time

Publication numberOT-2026-000008497 · never reused
Internal UUID01a0ae6a-e46a-7db9-93ed-2a26a6eb10bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008497
StatusPUBLIC

Content hashes

Canonical textd3daacd9168efeb1ea4dbbcd0d61e42710c0789466b24ab92877c9fdf5085bb5
Markdowne94bd7e2593ef473f0241f4d5806d340bc5022212e4f08945e78da57db3b2833
PDF
Publication pagef4f12eb241aa093a8f7e083cc037404f0dbd3597d8b3b1077388c044587f5d8b
Manifest877cb97a714d0a9fe338e10ff674c2a11607f7d9de1562d6087d785b802f3c11

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
SignatureAaR4G3y8MDaiaAb51yfYaf4tG/8XLh+KVta/ze2+DtJGtWXKAgmbGD56MYQz9hqkoLpPDy11tiwiQSxJctqRDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:23.977456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008497
observed f4f12eb241aa093a8f7e083cc037404f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.953316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008497/manifest.json
observed 877cb97a714d0a9fe338e10ff674c2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.935189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008497/publication.md
observed e94bd7e2593ef473f0241f4d5806d340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.914154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008497/publication.txt
observed d3daacd9168efeb1ea4dbbcd0d61e427...
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.