OpenTechnical

OT-2026-000004696

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, three outlet manifold, plant vacuum fed

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-2026-000004696) never changes.

Identity and time

Publication numberOT-2026-000004696 · never reused
Internal UUID01a0a920-72e6-71a8-a86d-b426fb82f80c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:31:11.208574Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004696
StatusPUBLIC

Content hashes

Canonical texte2ccf2830d65e179cdab4195550138c60a3ae78ade382be9dd76811426890c4a
Markdownf56b87e12edd50e629e956ae794615569710dc0def061a6b885b366be267ad1f
PDF
Publication page4626828cb1ebd18889d73b5a107bcc44e840f68a001fea9c9b315bef90d4cc0a
Manifestb92ae44d7ab754741c560d1dc4d6d56c43245bbca4168e35f7b2255c06919f62

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
SignatureD4MiqBAZhLKr4MAvNQ4/zcdwq6VHwUcLEYGw9cuCW8UjtxlYCHuCOtyfwmcKn0fQgNLOWW+OxkdNAsuAkaeQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:28.635889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004696
observed 4626828cb1ebd18889d73b5a107bcc44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:28.622391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004696/manifest.json
observed b92ae44d7ab754741c560d1dc4d6d56c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:28.488250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004696/publication.md
observed f56b87e12edd50e629e956ae79461556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:28.475761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004696/publication.txt
observed e2ccf2830d65e179cdab4195550138c6...
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.