OpenTechnical

OT-2026-000012422

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000012422) never changes.

Identity and time

Publication numberOT-2026-000012422 · never reused
Internal UUID01a0ae6d-39f6-7573-aeee-1b3ca8faf6df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012422
StatusPUBLIC

Content hashes

Canonical text30ebb08999bad23e0170f9a9a4d1dca2dcd7af3e4e4f3531c7a19780502a7325
Markdown55c82103889de11baf3714d6d8468223676c23eabe2cabff56ba56741d208965
PDF
Publication page598e63904e7dcf46d407e0ee227287f76e311d94f115134cb82769df4e7d7699
Manifest89571c9b6ebded03cf5fcb2fe42f3a789086867c75ff9a3e82dc73d76df03ab5

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
SignaturendH6KuUcqcvb0gZxP/629tcxpd7OEzSRweLY2KkxbuIeiV3HWuN1ShN3HtEidQB+N4fxXcp3CGrIIO122GXvAQ==
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

2026-09-17T12:11:55.135821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012422
observed 598e63904e7dcf46d407e0ee227287f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.118119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012422/manifest.json
observed 89571c9b6ebded03cf5fcb2fe42f3a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.101178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012422/publication.md
observed 55c82103889de11baf3714d6d8468223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.083089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012422/publication.txt
observed 30ebb08999bad23e0170f9a9a4d1dca2...
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.