OpenTechnical

OT-2026-000013112

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000013112) never changes.

Identity and time

Publication numberOT-2026-000013112 · never reused
Internal UUID01a0ae6d-6fc8-7675-9999-f23f660d5d9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013112
StatusPUBLIC

Content hashes

Canonical text1b787d166165d57b1e2d0a317a88461de3dcac1f0657cdf0b4ad3630271e71fe
Markdownb8c84bd34e80e97f0794c5670be2c4fdc1fe15fc3cbb2c4b1f45f40b089698a7
PDF
Publication pageddd05ad547353b2d904b5f55648cd79cd025dfb5a86f8b951cd65bfbb6f03872
Manifest56fe2ecdf8a930123afd15e81f93a0e60cba5023f481e3cdf014d111726700dc

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
SignaturetEdAvltCdly9E5Y0aQphYwWYrUmywaY39RCAcbBT0ouAkG5fBPGR7RoUAtyWCaqfgdBC1Nzdx9Dm6mudZcGXCw==
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

2026-09-17T12:09:23.833473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013112
observed ddd05ad547353b2d904b5f55648cd79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.815759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013112/manifest.json
observed 56fe2ecdf8a930123afd15e81f93a0e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.796522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013112/publication.md
observed b8c84bd34e80e97f0794c5670be2c4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.777553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013112/publication.txt
observed 1b787d166165d57b1e2d0a317a88461d...
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.