OpenTechnical

OT-2026-000010743

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000010743) never changes.

Identity and time

Publication numberOT-2026-000010743 · never reused
Internal UUID01a0ae6c-0ee8-70ba-9349-af546edb6dac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010743
StatusPUBLIC

Content hashes

Canonical textf16261f69d337df51b286f7a63ba4701d74891138bf869e0b1ebdd1e7649592c
Markdown4763d6fecc8cb3067e483181434e66ef4065391c757d2a40c36f1884b91cfbed
PDF
Publication pagec1283b4ed510501e9966b6010d0368a3884e463786230d1245fe94ac9cd2cf03
Manifesta801ee185341b0f9c44b8181e290e33284e0d09166300423e1fa525f9a575d37

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
Signature487nBMSj6Pvumv5VZJDKibugzh4as4LwIhGHHrN8IbL5+74Yv6weMKJTcFjwj36h88YAZUPdXO8DYGLIXy4rAQ==
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

2026-09-17T12:14:58.386456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010743
observed c1283b4ed510501e9966b6010d0368a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.364374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010743/manifest.json
observed a801ee185341b0f9c44b8181e290e332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.344389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010743/publication.md
observed 4763d6fecc8cb3067e483181434e66ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.326276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010743/publication.txt
observed f16261f69d337df51b286f7a63ba4701...
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.