OpenTechnical

OT-2026-000061249

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000061249) never changes.

Identity and time

Publication numberOT-2026-000061249 · never reused
Internal UUID01a0ae8b-1382-7f24-b0cd-901ab734cc12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061249
StatusPUBLIC

Content hashes

Canonical text3d4ad3175fbe9e6745f0a35c47b8c5d5fc5eb1e36813804364f914c40142434a
Markdown456e8eab0bd506a231388d3bae582d12a4ea1a5dc8e4708aaf5b0c554bfc7d9c
PDF
Publication page65807b4ef216d50bad9606d5e8b3e696ba6dbb87f2407a5e4b03af3a53a4d8a8
Manifest01e280fbb0eb3a4ae8027b5d933bb75030c33110a63a930804a7240e31a163e0

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
Signature1gdwbvW1GOsOCz+7QPtOOXoaneTG5/fXvTSwzavbnleQSN+9eHssMLZP0UTL+/XcQpTYgjA3aiQIIuR0L4xHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:39.822830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061249
observed 65807b4ef216d50bad9606d5e8b3e696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.805933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061249/manifest.json
observed 01e280fbb0eb3a4ae8027b5d933bb750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.787391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061249/publication.md
observed 456e8eab0bd506a231388d3bae582d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:39.769712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061249/publication.txt
observed 3d4ad3175fbe9e6745f0a35c47b8c5d5...
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.