OpenTechnical

OT-2026-000021584

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000021584) never changes.

Identity and time

Publication numberOT-2026-000021584 · never reused
Internal UUID01a0ae6f-865e-7b6e-a37a-2468f08553ba · 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-2026-000021584
StatusPUBLIC

Content hashes

Canonical text23fca5b6d14dd1a2452d45a8d8db37d49d9ba72c6a8cc2d32b52c9242105d8a8
Markdown809866d234971831d3ff4c0bb7b3228a514d36867969ed6a19175cf15df4cd7c
PDF
Publication page91d005d5cbdccbc55adc6509430f9b247ddf0ffee154075c2d48d6797977606b
Manifest0f61aa44a6bc9c244dc0d49fa5637de8f5bb4aa0e6d1a6a7c4db661b5c9ebeb1

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
SignatureqIE+5a010da1+C1MI58n/lkGVi7O75EyBV6mfbjpvoGMk0ivnojGvz7rougiXPIEw0fP0TUvxteyHXbzYu7uDg==
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

2026-09-17T11:55:30.445948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021584
observed 91d005d5cbdccbc55adc6509430f9b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:30.427471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021584/manifest.json
observed 0f61aa44a6bc9c244dc0d49fa5637de8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:30.405088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021584/publication.md
observed 809866d234971831d3ff4c0bb7b3228a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:30.386871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021584/publication.txt
observed 23fca5b6d14dd1a2452d45a8d8db37d4...
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.