OpenTechnical

OT-2026-000072755

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000072755) never changes.

Identity and time

Publication numberOT-2026-000072755 · never reused
Internal UUID01a0ae92-89da-7bb7-ac30-1d7861a01b91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072755
StatusPUBLIC

Content hashes

Canonical text95672d958f7b9c74a777563784bcbd3293c4c12585a6ec1aab00a775b7fe59af
Markdown361b375747ab1229a0b80b280826da46c99e973c07b14e83b6775838ad2e12e1
PDF
Publication pagefd19cb4f97e021da93e0ab5424cf252968e5689f4c2b78c978647fbeee5b0886
Manifest8bf0498f8ca38de88906b5e3cb9e3bf017b8a941af433233c0a609c29b0f3afd

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
Signature331dqub2wDBCYRNLIL0WCTF6WsnhhqxmUBNNJIYcg5/QZiK8cwxzGtv46LEMDRCwMhs1wxG2OAjuca0CPZrUCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:39.338510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072755
observed fd19cb4f97e021da93e0ab5424cf2529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.322611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072755/manifest.json
observed 8bf0498f8ca38de88906b5e3cb9e3bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.305719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072755/publication.md
observed 361b375747ab1229a0b80b280826da46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:39.289157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072755/publication.txt
observed 95672d958f7b9c74a777563784bcbd32...
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.