OpenTechnical

OT-2026-000021324

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021324) never changes.

Identity and time

Publication numberOT-2026-000021324 · never reused
Internal UUID01a0ae6f-865c-76d7-b0ea-ba8816bd5c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021324
StatusPUBLIC

Content hashes

Canonical text1b838570faee8379dfe4dc7d5ed485539b396852196be1e78d91c75b30402cdd
Markdown6cceb88555df498cb165fdf5460647991d4190ef5166ac98e625eda0a00a14ff
PDF
Publication page1c44f803846b07c3fb14b6a7c17963302ee5d37ddbd39c25b001492d0b21aac3
Manifest8ff3f133d02489293b1c5f08d3d0122828284eda31cd4fe8c2fa63d4ed52e5bb

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
Signature57wAxXHfjG1baAPpJWuH9+LX3khRJqlh1vaNgKTOJ5NXPrB9PrR2r5PsqIG91m2lhfzIt1iodwI0biDH+/MqAw==
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

2026-09-17T11:55:10.244805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021324
observed 1c44f803846b07c3fb14b6a7c1796330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.227173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021324/manifest.json
observed 8ff3f133d02489293b1c5f08d3d01228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.208400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021324/publication.md
observed 6cceb88555df498cb165fdf546064799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:10.191129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021324/publication.txt
observed 1b838570faee8379dfe4dc7d5ed48553...
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.