OpenTechnical

OT-2026-000085535

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000085535) never changes.

Identity and time

Publication numberOT-2026-000085535 · never reused
Internal UUID01a0ae99-aaac-7298-8af8-9b1d35a6761a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085535
StatusPUBLIC

Content hashes

Canonical text4a9ab882c5f68435f745a06bde2463576250bda1ef8a0cee11e50807959ec6c9
Markdown92c0725042e786764c6861100037b1755941a793c49cf4352e27de63a113f36f
PDF
Publication pagef439c67b01ea4ba592dfba1152ef756ebf6af0261b2f9299b4d140e2d9abc7c1
Manifeste795d4343902fefd0b27cad30b4669973b50fe881f1fa0115a9c1f1807ade53a

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
SignaturevZrrzmXT+Tm32iLuqZlaYdWi7rCjSMlN8z4o8xDmCm0nM/Hdkf7LQnd7F1Hk6qRjMKvoBT/5LXyeO+1FlX0XDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:19.724825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085535
observed f439c67b01ea4ba592dfba1152ef756e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.699982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085535/manifest.json
observed e795d4343902fefd0b27cad30b466997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.682874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085535/publication.md
observed 92c0725042e786764c6861100037b175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.664142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085535/publication.txt
observed 4a9ab882c5f68435f745a06bde246357...
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.