OpenTechnical

OT-2026-000020633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed 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-2026-000020633) never changes.

Identity and time

Publication numberOT-2026-000020633 · never reused
Internal UUID01a0ae6f-65e1-7dcf-bb94-33b31aa00193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020633
StatusPUBLIC

Content hashes

Canonical text19a29b2f3488d63ccfc23a7649fd1e464096af9ccae2bfb4b9822a11704f7952
Markdown5125eff79d4a77f6d7ebf0d109466c098b2cedabf6356ac31a2454740b4d8170
PDF
Publication pagef8a68b749a7dc83b46d77c46db91b57e5c4c5f23571166c427e29cae22f3814b
Manifest0557b807f705d156a3b502b5dfbbb96c40f51c2bf7c660dd8afc05107b55d1e8

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
Signature6hHUIz6GVigSfGM13fDdiUOGWqlEZCQvSc379xF/9iTwTYUyD4pp/9dk46vEuslfgqxQacL+62VAuLnHjrKIDA==
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

2026-09-17T11:55:34.877227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020633
observed f8a68b749a7dc83b46d77c46db91b57e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.861865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020633/manifest.json
observed 0557b807f705d156a3b502b5dfbbb96c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.843893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020633/publication.md
observed 5125eff79d4a77f6d7ebf0d109466c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:34.827245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020633/publication.txt
observed 19a29b2f3488d63ccfc23a7649fd1e46...
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.