OpenTechnical

OT-2026-000010609

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000010609) never changes.

Identity and time

Publication numberOT-2026-000010609 · never reused
Internal UUID01a0ae6c-0ee7-76ad-b184-ee099e772464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010609
StatusPUBLIC

Content hashes

Canonical text8b2eb4973b3d8bb408de04ff49e299162322f57765146a7c347972beacebdd7e
Markdowne87feb2f58b83dd0115573fc397f5a03b89f5415806370bce35872309b1669d3
PDF
Publication pagee0cacdf9b4cf82e6f236879cf79e9c4b2d4fd956753f94022aae866c02ce51a9
Manifest2dd2badef257c8c1b42c34c41d6602454e56e309ca99d07b83beaba3e262932e

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
Signature1KUyTOdPWT4Nm6P9rN117jLazxlo0HHHWa1iDNNF2x1gDY9Ut2LdEBpkCNXkHHxFq8adr57aFVmNCj2qqpagCg==
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

2026-09-17T12:14:47.959950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010609
observed e0cacdf9b4cf82e6f236879cf79e9c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.940530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010609/manifest.json
observed 2dd2badef257c8c1b42c34c41d660245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.922132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010609/publication.md
observed e87feb2f58b83dd0115573fc397f5a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:47.900953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010609/publication.txt
observed 8b2eb4973b3d8bb408de04ff49e29916...
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.