OpenTechnical

OT-2026-000026523

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000026523) never changes.

Identity and time

Publication numberOT-2026-000026523 · never reused
Internal UUID01a0ae71-f4a8-736f-8d2d-4dddc61b209f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026523
StatusPUBLIC

Content hashes

Canonical textfbb46beba938eec99672f1ed7d5671faccb9ac5b4f9b6f6b5c72c40179cf5a69
Markdownfbaa9ec102ec76858a1aa834cf8c6a1ee3f2c05242c1f9f096ab87e621c965cd
PDF
Publication page0d46549685f6555b47ce0de0b0ace8f4ef805f6c4a6f540942613d82fda4cca0
Manifeste11894c7e487fc28705d6a33ec03251284c602946c524565d60d93eb71b2724b

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
Signaturevlhax3eH4jAHDH+B9XdL5OAfob0qgvsPef0XnMgMINI95c68x5L4wcjs1DmEnHCx8tuDYvMQvhTU//Vg3hkyBg==
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

2026-09-17T11:44:39.079997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026523
observed 0d46549685f6555b47ce0de0b0ace8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.062921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026523/manifest.json
observed e11894c7e487fc28705d6a33ec032512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.045047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026523/publication.md
observed fbaa9ec102ec76858a1aa834cf8c6a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.026665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026523/publication.txt
observed fbb46beba938eec99672f1ed7d5671fa...
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.