OpenTechnical

OT-2026-000084083

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000084083) never changes.

Identity and time

Publication numberOT-2026-000084083 · never reused
Internal UUID01a0ae98-5b5e-7925-9e09-4b2307664dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084083
StatusPUBLIC

Content hashes

Canonical text263c18a36e180d404ec12fa58801c8de4394d7826d2b4890946515395d3d44af
Markdown3009e204d50b1de5d75564350a947ac41fe1794c15855f9314ee05fc2bdc3e4e
PDF
Publication pagebf9971b62d8141b0e954ae4f7ddcb3fd698e1c13c4e89ae5bc5d3edcf9978038
Manifest369c6f481e057ff1aa785020965cc2169b6554dab88d00a6bf400cc398b50c7b

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
Signature4932PTWSn/jSsO1eJ9GxK7Qya3jIUKME7Fx84IWg3WFmkiJmOXiEmb3GGCHhpoFNAlvnOeIqp1G6DuNOfpypDw==
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

2026-09-17T09:55:49.686980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084083
observed bf9971b62d8141b0e954ae4f7ddcb3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.668938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084083/manifest.json
observed 369c6f481e057ff1aa785020965cc216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.651263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084083/publication.md
observed 3009e204d50b1de5d75564350a947ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.634515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084083/publication.txt
observed 263c18a36e180d404ec12fa58801c8de...
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.