OpenTechnical

OT-2026-000034175

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000034175) never changes.

Identity and time

Publication numberOT-2026-000034175 · never reused
Internal UUID01a0ae75-df0d-7901-a7c1-27f4e121a046 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034175
StatusPUBLIC

Content hashes

Canonical textb740af2958893f07d2a0c35aeadafee6823415e3b91124a656b5581fc33533cb
Markdown908dd7290cc297bb91394e1dc604cfd5c03da317153829ba043ee399032b72a9
PDF
Publication page772e87199d20fd58665844efe7049498dae42cff8fa77ffdcc2f31a02d252bcd
Manifest5a0b5ccbef4b4729c9a77042164500861279a23564d6f940156cac5e271531e4

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
SignaturedaVXsgdWouHGIp9HY3S2QM0P6kJNsDpILjnsKhq81ywwB5GJ91+k1E02JjsH53RKHi7Qh/m4giOTDVO2BW3UBQ==
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

2026-09-17T11:30:42.345407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034175
observed 772e87199d20fd58665844efe7049498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.327299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034175/manifest.json
observed 5a0b5ccbef4b4729c9a7704216450086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.306849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034175/publication.md
observed 908dd7290cc297bb91394e1dc604cfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.288704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034175/publication.txt
observed b740af2958893f07d2a0c35aeadafee6...
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.