OpenTechnical

OT-2026-000008090

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained 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-2026-000008090) never changes.

Identity and time

Publication numberOT-2026-000008090 · never reused
Internal UUID01a0ae6a-908c-7dc2-8d41-e31561b9bb46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008090
StatusPUBLIC

Content hashes

Canonical textbce370a6b80cd40dd3b1860e9d92bb95d1effc3d04135f53853745a42030d35a
Markdown194d75d24dc005dea685e54f490047c49383c7da52d1bda77a58331145b846f1
PDF
Publication page0d760693b2bc9f26e4a0a26d16af281ad90d5e512948a891e82e94a9fac4727c
Manifest60f03d37bbaa9b04fb83f1207fbfda8313a117fc7fd9b0c81043377847d82d6c

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
SignaturedCivINQbWpEUQHatnQUT2j6DDaz1kZy0XjLhKLjIOFobJyLdEiHiNYK8wzl54JcNcib9q0vJSxiY7O2y0j8RAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:08.621680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090
observed 0d760693b2bc9f26e4a0a26d16af281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.599830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090/manifest.json
observed 60f03d37bbaa9b04fb83f1207fbfda83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.576438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090/publication.md
observed 194d75d24dc005dea685e54f490047c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.555621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090/publication.txt
observed bce370a6b80cd40dd3b1860e9d92bb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.957630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090
observed 0d760693b2bc9f26e4a0a26d16af281a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.938691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090/manifest.json
observed 60f03d37bbaa9b04fb83f1207fbfda83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.918335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090/publication.md
observed 194d75d24dc005dea685e54f490047c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.899591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008090/publication.txt
observed bce370a6b80cd40dd3b1860e9d92bb95...
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.