OpenTechnical

OT-2026-000071320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000071320) never changes.

Identity and time

Publication numberOT-2026-000071320 · never reused
Internal UUID01a0ae91-e0ec-793e-9bed-d55a87dbb934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071320
StatusPUBLIC

Content hashes

Canonical text1a6c0ed5ae2f012d83d73852c993fce28e9045fd0ae6767ce326b862af1f83e9
Markdown7b2e6fa435edaa9459af50963484c9101ea5239bc5eb30c05094f289d50b5a30
PDF
Publication page19854a037e8b7f484c59193d710e266243eae2267391dbad13e778762759c13d
Manifest93d50ec11146e73c640e811bd66b95efb45d4216dff9db647727cf08deb2acec

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
Signaturec6CSE7FvtX1IzC+3pDYRjw7DiGz/Bgb4ZY45B+07h/KGe6tOyEutimPIYoQOaXIXUR1hj3uhIfSqxNreopxPDA==
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

2026-09-17T10:24:54.565850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071320
observed 19854a037e8b7f484c59193d710e2662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.548711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071320/manifest.json
observed 93d50ec11146e73c640e811bd66b95ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.531910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071320/publication.md
observed 7b2e6fa435edaa9459af50963484c910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:54.515962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071320/publication.txt
observed 1a6c0ed5ae2f012d83d73852c993fce2...
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.