OpenTechnical

OT-2026-000039903

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000039903) never changes.

Identity and time

Publication numberOT-2026-000039903 · never reused
Internal UUID01a0ae78-d8d6-7779-8941-02e24d4d2399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039903
StatusPUBLIC

Content hashes

Canonical text8bdf44fca0735ce616cb83187a44fd9fe41560a6c2151fbdbadde4dc3a45e2cf
Markdowna7e8754770bc9fba1de1ab02cf03e93f4dfcc8b71fe1e4a7f4ebf3c99b8c161e
PDF
Publication page0e26b71c862dc7aa5698e29a523fb02baa9954078c8c466590867a6caa7177e1
Manifest30efdfb62f1652e886c888b648d83a794d430efd48142e41c4ddbfd7043384cf

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
SignaturejmrDs+HA61Bv9A1oY67Z0+duXTxsQAVT6raih0jFA6hgC2f8rsxX+yzkDOAKJE7vR8KOnVus+slEXH+wA62PCg==
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

2026-09-17T11:20:11.707808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039903
observed 0e26b71c862dc7aa5698e29a523fb02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.688911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039903/manifest.json
observed 30efdfb62f1652e886c888b648d83a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.668565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039903/publication.md
observed a7e8754770bc9fba1de1ab02cf03e93f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.650038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039903/publication.txt
observed 8bdf44fca0735ce616cb83187a44fd9f...
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.