OpenTechnical

OT-2026-000071300

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000071300) never changes.

Identity and time

Publication numberOT-2026-000071300 · never reused
Internal UUID01a0ae91-e0ec-7e87-b403-ced853502962 · 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-2026-000071300
StatusPUBLIC

Content hashes

Canonical text7a47f3c44bd34707ad389ac683fd205c6f7d427167bedfa1259dfe46e0036655
Markdownc68a407bad72a5ad425696e7a620bd8abbd7e9e0b8e2735dbf41f452870fa0a0
PDF
Publication page51b56635d1d6f7ba4b5ddfec2f0080e1ea7f445193da226df08ccb3d9da8109d
Manifestec7e1c1aefad48aaf3436ad4ae3e3816c727847aa3bf3fb126bef804b914220d

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
SignatureQtKlcKFsWvPpowEzYTSOz0GxlwQAXHqj98WuVsF9jNlEiPGrNeQO4GsQWngjrZZBv3aULL+DKn5OaCP1V6FTAA==
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

2026-09-17T10:24:53.216660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071300
observed 51b56635d1d6f7ba4b5ddfec2f0080e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.193627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071300/manifest.json
observed ec7e1c1aefad48aaf3436ad4ae3e3816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.172442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071300/publication.md
observed c68a407bad72a5ad425696e7a620bd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:53.056759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071300/publication.txt
observed 7a47f3c44bd34707ad389ac683fd205c...
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.