OpenTechnical

OT-2026-000073821

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000073821) never changes.

Identity and time

Publication numberOT-2026-000073821 · never reused
Internal UUID01a0ae93-2b8d-7014-8e94-f02cb57f4c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073821
StatusPUBLIC

Content hashes

Canonical text45dff63d0e5f8ac60961736a539911fed8e4ed76a9f845f6b37a610907699182
Markdown935d01839f3bedfbeff5c8cdabbb1342601eb66a6e28f76d8aea871baca0d70f
PDF
Publication page0cfbaf270c33b7840191ccaa2ee44330903033fd3ef7af2007b473d2202a32e5
Manifestd64a01c55d75957bd847a524139b40ffaf6798f4d756b76abf386cc873672c52

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
Signatured8lqs+SgZVfodqzz6Rud4BLS0Hwf6+/SmJhYIjmkayE3vCNEQ7xo6b5FvSsBRWtEQ3rvQJUgDj5srwiBpOE5Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:56.707248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073821
observed 0cfbaf270c33b7840191ccaa2ee44330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.689649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073821/manifest.json
observed d64a01c55d75957bd847a524139b40ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.668075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073821/publication.md
observed 935d01839f3bedfbeff5c8cdabbb1342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.648570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073821/publication.txt
observed 45dff63d0e5f8ac60961736a539911fe...
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.