OpenTechnical

OT-2026-000050724

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000050724) never changes.

Identity and time

Publication numberOT-2026-000050724 · never reused
Internal UUID01a0ae82-c7b1-718b-8f6a-a5d45c042f99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050724
StatusPUBLIC

Content hashes

Canonical textd215ef3aebf6f9cf64758b3b516a412ae1ad5b045d044216583d18bd601ce1d6
Markdown0a0908ba6e7260559c154d8061c6f650c2cc61484ba251049a4ba2443570557a
PDF
Publication page7a27e21e48636d409a9ee2cd79b5a60ceeab87008ed56ba2ee30eb59ac3f4957
Manifestc081e32e5f358506798b71ab92cbe384470c101f18cb08430bbda95993e6e50e

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
SignatureiIU8olD9Jp39/qTLsEBG/v62mfBUBvZgKFgIU5q8V4/hAz7da3UUXXFC52zKNSuoKVLvhDjERGr2SJ6tAoZWBg==
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

2026-09-17T11:00:05.401380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724
observed 7a27e21e48636d409a9ee2cd79b5a60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.383012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724/manifest.json
observed c081e32e5f358506798b71ab92cbe384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.362716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724/publication.md
observed 0a0908ba6e7260559c154d8061c6f650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.361979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724
observed 7a27e21e48636d409a9ee2cd79b5a60c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.343300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724/publication.txt
observed d215ef3aebf6f9cf64758b3b516a412a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.341629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724/manifest.json
observed c081e32e5f358506798b71ab92cbe384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.318420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724/publication.md
observed 0a0908ba6e7260559c154d8061c6f650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:05.288575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050724/publication.txt
observed d215ef3aebf6f9cf64758b3b516a412a...
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.