OpenTechnical

OT-2026-000064718

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000064718) never changes.

Identity and time

Publication numberOT-2026-000064718 · never reused
Internal UUID01a0ae8d-deb9-77ca-a7c8-5f2ad9f3c322 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064718
StatusPUBLIC

Content hashes

Canonical text776e1318dd94f7fd82f174c7127b79b6d01268dfa80c21347bf7b0e04317e5e9
Markdown449045948976bec337961c22e0615e757931085f9cd499ea092f1a4a34caafd6
PDF
Publication page7a830ac711843d044340a9f5d727d06a7a054cd917298d5d3d324d7c7fae5a9d
Manifestb709b7e164165e83845175fd55d1095b488a124d19928ece2490792547ff8b41

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
SignaturenmHTRmNjc2+/dvxxZ/Rf2enCujzK2GovT5d6VvoU4Lb66HH6K2t6QoySY4/BINiYue5mixKJNwxbEUaDRFgmBA==
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

2026-09-17T10:35:35.531308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064718
observed 7a830ac711843d044340a9f5d727d06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.512007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064718/manifest.json
observed b709b7e164165e83845175fd55d1095b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.492938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064718/publication.md
observed 449045948976bec337961c22e0615e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.473405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064718/publication.txt
observed 776e1318dd94f7fd82f174c7127b79b6...
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.