OpenTechnical

OT-2026-000041132

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000041132) never changes.

Identity and time

Publication numberOT-2026-000041132 · never reused
Internal UUID01a0ae79-b142-7458-8f68-eb75569eb9ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041132
StatusPUBLIC

Content hashes

Canonical text1304c0f5b1730d0748350439350d69dc7de980d215effe0fa869dc0d6dad9dc7
Markdowna8b26bf6e12c665e0b6b964f218a3186b0d80832b28468e12073819ab9413f87
PDF
Publication paged90a559c14924d31de100d174688435480eb6fa561bc8799ef75b4ff5b817e49
Manifestcfaa2b95b8dbe756caf976a5f592c027cbb8598c135b1f54bbee65e0ef7fa52e

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
Signaturebo7Vhw++RYYe8KOGnqPQeOZcBTs9ox8CyiGJg7zeza4myTxIWecakIdssM0qNDow2PH4MQqTkxYu7Yub7IdTAw==
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

2026-09-17T11:17:04.202442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041132
observed d90a559c14924d31de100d1746884354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.183275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041132/manifest.json
observed cfaa2b95b8dbe756caf976a5f592c027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.164200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041132/publication.md
observed a8b26bf6e12c665e0b6b964f218a3186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:04.147129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041132/publication.txt
observed 1304c0f5b1730d0748350439350d69dc...
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.