OpenTechnical

OT-2026-000042332

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042332) never changes.

Identity and time

Publication numberOT-2026-000042332 · never reused
Internal UUID01a0ae7a-5d74-7897-a308-f8cf7f929fbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042332
StatusPUBLIC

Content hashes

Canonical text067f0b4f67ceeecb7c4b9689e1f95cd449d9957862e223c701cd87af7ac7be17
Markdownc8f64ab7204511d1b9dc7068de8a72bf354f6caf1c8d04e2a330b2deacebba85
PDF
Publication page17e44c29a21c6da89e473e98183b8367d973833ab3f564a4da7a94603ec9f02f
Manifestfac3e3c28cdffa0b298db9d1302a378b4233ad108aa6d22412fa68b33bef61b5

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
Signature3BuCcPLxYVH0yO6HaWgOkYVL0z21qENOqbiw5mwofOkLZfQI/TuVNdDCAlv6ftys0YHXdk/xZfzbd/hrDnoUDg==
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

2026-09-17T11:16:02.299436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042332
observed 17e44c29a21c6da89e473e98183b8367...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.281416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042332/manifest.json
observed fac3e3c28cdffa0b298db9d1302a378b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.264454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042332/publication.md
observed c8f64ab7204511d1b9dc7068de8a72bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:02.247750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042332/publication.txt
observed 067f0b4f67ceeecb7c4b9689e1f95cd4...
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.