OpenTechnical

OT-2026-000010117

Publication integrity record

Two finger pneumatic gripper, 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-2026-000010117) never changes.

Identity and time

Publication numberOT-2026-000010117 · never reused
Internal UUID01a0ae6b-cb7a-7468-a740-74a67d806754 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010117
StatusPUBLIC

Content hashes

Canonical texta89bac7e9d235e9144a1fe14e3679ba5f468cb7b7ee01ab489e1e9ca5d1dcccc
Markdown13d19d1e08508a92d363da2568ff6b8b6566e630375164ba89a224532e307910
PDF
Publication page36bc725b47f507e0050471d2ec5afbf392823173bffb8c21675ea842282a1d87
Manifestab080dc223f54f11d9df77fd36fac5ddce8b23f7930274b32a56a624c4743279

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
Signature6ZFdetcAdCXNgf5n/U19AaSZ5ImEfYQML4All0I2Tv7F4KFHucztpXQhM3sw7IFDM3g0OGI84L8GP19dQpAPBg==
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

2026-09-17T12:16:12.607767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010117
observed 36bc725b47f507e0050471d2ec5afbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:12.588041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010117/manifest.json
observed ab080dc223f54f11d9df77fd36fac5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:12.568487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010117/publication.md
observed 13d19d1e08508a92d363da2568ff6b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:12.548502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010117/publication.txt
observed a89bac7e9d235e9144a1fe14e3679ba5...
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.