OpenTechnical

OT-2026-000085107

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000085107) never changes.

Identity and time

Publication numberOT-2026-000085107 · never reused
Internal UUID01a0ae99-43b9-7323-809a-c49504b15968 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085107
StatusPUBLIC

Content hashes

Canonical text8add49215bed3659a8e7e1afdc59b880ae46393178811755d02997ee08dddfa7
Markdown2b12b832d214c6a27be458eb09f7aea8a7c163883dfa7e33f32c1917272be6ae
PDF
Publication page619163aeedda2b2970b5364736c536e73279610395c092f74a9964db6df42396
Manifest45a7714f855542a8771813cdc3b54c28e4f6b773c8d7fd70317d02ec04829e2b

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
SignatureIFiKs1WABt5Hzcl6bTlG8CwihdCgUhAvfkUwZZ1o9CN7SsQ2AlmqQPJ5UMlK5fErjYTr0acWS8VyjH7O1EOvDw==
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

2026-09-17T09:55:10.660646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085107
observed 619163aeedda2b2970b5364736c536e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.644404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085107/manifest.json
observed 45a7714f855542a8771813cdc3b54c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.627632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085107/publication.md
observed 2b12b832d214c6a27be458eb09f7aea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:10.609410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085107/publication.txt
observed 8add49215bed3659a8e7e1afdc59b880...
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.