OpenTechnical

OT-2026-000014117

Publication integrity record

Single cup vacuum gripper, 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-2026-000014117) never changes.

Identity and time

Publication numberOT-2026-000014117 · never reused
Internal UUID01a0ae6d-b278-70b9-a048-354f9a6f2e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014117
StatusPUBLIC

Content hashes

Canonical textc5b8e982771e252956052647bdf1bf014a0d8f5784cfb7cf0aa47801c6c9fddf
Markdown37995373ba2cd569745d734b4f77dbbf02bcf25f3da21f53a8cadab297aeb968
PDF
Publication pagec76e33178ff429953e790eb7440c552b1536003cd07a79e22c5d318eff4b293f
Manifest8f360a3b9e01f6952353cd0b4b7d0a791beaccc22833273540ee58d0faaab22b

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
Signature04UeFCjX0oYniF8FCDmrWpZ6Umz0kT8P3cmoyoJF07ClDUhXWOeLkTLUYR4B5WOVIBm/g/f28ntwG/6YcqH5Cw==
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

2026-09-17T12:07:11.103932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014117
observed c76e33178ff429953e790eb7440c552b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.084759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014117/manifest.json
observed 8f360a3b9e01f6952353cd0b4b7d0a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.066142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014117/publication.md
observed 37995373ba2cd569745d734b4f77dbbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.048947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014117/publication.txt
observed c5b8e982771e252956052647bdf1bf01...
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.