OpenTechnical

OT-2026-000012335

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum 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-2026-000012335) never changes.

Identity and time

Publication numberOT-2026-000012335 · never reused
Internal UUID01a0ae6d-39f6-750e-8f77-9b127262fe25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012335
StatusPUBLIC

Content hashes

Canonical textba2ea4a4f9e0dd1bfd3f961dec099c32b5c5a177b6c751a0cc249a828f93186f
Markdown35f3b20cef8892d444a1f90c7245bf342ddedc1bc147440985a159af3b3ebf3d
PDF
Publication page5c1f16bda88a23238875790955274dd535978eccc1c837cbdedbdc6882686d2e
Manifest80d6666134a2ba5c921621465cb47a463fea11879b33a36b50fadc4958bba4d7

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
SignaturevrnyaOYO160MqjHp0F7RA42ITpI5KrjE3P+apVtfONYB9Uo++qtoIk0SBeiERjcTiywM6a4s+4BMvKK09ACODw==
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

2026-09-17T12:10:58.017962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012335
observed 5c1f16bda88a23238875790955274dd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.988859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012335/manifest.json
observed 80d6666134a2ba5c921621465cb47a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.968920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012335/publication.md
observed 35f3b20cef8892d444a1f90c7245bf34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:57.937926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012335/publication.txt
observed ba2ea4a4f9e0dd1bfd3f961dec099c32...
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.