OpenTechnical

OT-2026-000102334

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000102334) never changes.

Identity and time

Publication numberOT-2026-000102334 · never reused
Internal UUID01a0aea4-50f4-75cd-bc77-775c216dbe7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102334
StatusPUBLIC

Content hashes

Canonical text5d1a29f89fac693e58e70793d8a70a90549e497903378ed003e3100da43fdb82
Markdowne396651a564b93f8027f8065ddb2d2c9c2fe925086db309e4bb82d9f4d5a2df2
PDF
Publication page4049d5d5527c1ca1c235c90a4ba1dea2afaa113111d6830a98cda6ec1eb3db40
Manifest81c65c5de79c8bb5e58753c9d5ce91aa5dc58f1beeb67df1e5054df6a0ee8b4e

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
Signature5v+hxZ/kEanfAPR5vs2ZYdNudZT+SK+PwahIH2aN/lICPP/Q9LeqeKh4Y/M6oYW/B6uBvRnFekVGD//Ib9HmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:32.451638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102334
observed 4049d5d5527c1ca1c235c90a4ba1dea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.435176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102334/manifest.json
observed 81c65c5de79c8bb5e58753c9d5ce91aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.418885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102334/publication.md
observed e396651a564b93f8027f8065ddb2d2c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:32.401330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102334/publication.txt
observed 5d1a29f89fac693e58e70793d8a70a90...
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.