OpenTechnical

OT-2026-000064351

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000064351) never changes.

Identity and time

Publication numberOT-2026-000064351 · never reused
Internal UUID01a0ae8d-a460-71d8-bb05-3d548afa53ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064351
StatusPUBLIC

Content hashes

Canonical text30cf504fd747bbe0cbe17a9c9e0af8055285f7a50ee69bb93dcfa29b19d1a082
Markdownd691bf06f1ef591734bbba281a38c95e4ad8b7f59e9da1b0ba2ffc24d0b58eb2
PDF
Publication page0ea1f794303ebc7ece79146210a6827c275613cc156809d2c43cf76813320c59
Manifestdd89bc35dccced7068c382c56dec2ee43f6e960cc720fcb258dbe1020790f7fd

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
SignatureE4ytofWLZf/zyn4gvl/QDnoduz6eiCOhwYl5sv7Ff4ISudY9G6uoYiGVUkaZNDf9tuuAoqENse3XytGPh/rMDg==
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

2026-09-17T10:36:30.669618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064351
observed 0ea1f794303ebc7ece79146210a6827c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.651664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064351/manifest.json
observed dd89bc35dccced7068c382c56dec2ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.633982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064351/publication.md
observed d691bf06f1ef591734bbba281a38c95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:30.616400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064351/publication.txt
observed 30cf504fd747bbe0cbe17a9c9e0af805...
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.