OpenTechnical

OT-2026-000073280

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073280) never changes.

Identity and time

Publication numberOT-2026-000073280 · never reused
Internal UUID01a0ae92-efb7-72be-899e-6a6d0cbbea8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073280
StatusPUBLIC

Content hashes

Canonical text330d6144e449852490ab13f921b9a854614a0f7dc720ac78644042ce01c7edaf
Markdown50ffddd5cab3a47abeec28d5c540a442b24adc0aadacefef4a46e72426aaa9c8
PDF
Publication pagec2bed82d2670308cbab410a3ab7fc9caf9dd972e0f5ef62570464bae0b775a4f
Manifest4230ceb2957c67231de729e7d39ebde973f9cac62406a449b8720ce592013cb0

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
SignaturejKm8LBNCO8Ys1H4uybYvuqbujiRL95boFIQSvd9oW9mYNmLYbKncpxi4MNsjgCqh7BFvuHmGjuHA25WdFEDFAQ==
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

2026-09-17T10:21:14.399024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073280
observed c2bed82d2670308cbab410a3ab7fc9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.376978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073280/manifest.json
observed 4230ceb2957c67231de729e7d39ebde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.329489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073280/publication.md
observed 50ffddd5cab3a47abeec28d5c540a442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:14.285776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073280/publication.txt
observed 330d6144e449852490ab13f921b9a854...
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.