OpenTechnical

OT-2026-000029107

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000029107) never changes.

Identity and time

Publication numberOT-2026-000029107 · never reused
Internal UUID01a0ae73-2a9f-7111-8ccd-d55928a2402e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029107
StatusPUBLIC

Content hashes

Canonical text89ff8ecc5613cc92e6d69d053f6b2daebdb882f39473d81ec468494713e39b82
Markdown44d9742c7f4de48bf8e9f3a11ef204f4eb704657aca1295d430bb861b1a94dbd
PDF
Publication pagea5db9730861030d1891bbee41b0bcdc9dabb9a6fe67312f0d83fb1f7ce4820f2
Manifestcda1fd76c1fcd3b05941d7a2e04e4c310347772ff9dc2726cb966c5237da2af4

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
SignatureKFUTdoWwo+8VatRqlmcgosw8iF4IM5TFOylzWDob/SMqCWY4kB2eQQT5fB7qDodimbfHer0ODUxENmF9S65RBQ==
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

2026-09-17T08:20:51.988360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029107
observed a5db9730861030d1891bbee41b0bcdc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.972560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029107/manifest.json
observed cda1fd76c1fcd3b05941d7a2e04e4c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.952724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029107/publication.md
observed 44d9742c7f4de48bf8e9f3a11ef204f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:51.928540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029107/publication.txt
observed 89ff8ecc5613cc92e6d69d053f6b2dae...
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.