OpenTechnical

OT-2026-000045710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000045710) never changes.

Identity and time

Publication numberOT-2026-000045710 · never reused
Internal UUID01a0ae7d-8f04-72ca-be67-e241ee842d63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045710
StatusPUBLIC

Content hashes

Canonical text7dc7eeda47c0d0380b37eb3b482be3cf9b35692e535889f9e138d87321c90caa
Markdown6e1a0819f4ca7dfde75c4919369ab0d56e198c42e241f6a19fd1fb991e955d6a
PDF
Publication page071a4197f1ed911c6c4f708f1b8c49604701f042ce7bbb51f0bc4b4967dea810
Manifest6f03c01feacf773dd775f5651a566b57eb3639e46971fc6a0241f342cbb3aaeb

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
SignatureqtxmjKGqt/eiRd5YNCNVyF+cyrPyXvo1HvxQhpzaBLCSKfdJ64Sr9z0jZtc7l/uZSrFZErWVrmVEG2W4qw3IBw==
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

2026-09-17T11:09:31.172274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045710
observed 071a4197f1ed911c6c4f708f1b8c4960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.154803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045710/manifest.json
observed 6f03c01feacf773dd775f5651a566b57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.136922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045710/publication.md
observed 6e1a0819f4ca7dfde75c4919369ab0d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:31.118578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045710/publication.txt
observed 7dc7eeda47c0d0380b37eb3b482be3cf...
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.