OpenTechnical

OT-2026-000017299

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000017299) never changes.

Identity and time

Publication numberOT-2026-000017299 · never reused
Internal UUID01a0ae6e-76c8-7707-a851-9042a37fc6e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017299
StatusPUBLIC

Content hashes

Canonical text71f3c75cd73f43a105617a8b2e0a1d46f1972be1e9f3aeea88cf9909143a703a
Markdownb62c86c0d3c4df6cd8fbd041990d4e033eba7f96d74c68c69e544dd1adcbc45c
PDF
Publication page13a03b1fb784735b88e8a9b1570a0990db4013e7d2ad1f1af994d6f6d0e2b04e
Manifestee57db0189194392504338c5b92d5bbe5c9fd4c3621e44ca5e31d8b113eb9f96

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
SignatureYuChOQwW+NvS/UE0KoBOZPYO5wDiAmJjwRLoMJd4I8AYGXmdgMqvFPBxensvhIB3HM29LuCW2F9lOHO2EpRQDg==
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

2026-09-17T12:02:23.964123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017299
observed 13a03b1fb784735b88e8a9b1570a0990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.945459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017299/manifest.json
observed ee57db0189194392504338c5b92d5bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.927441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017299/publication.md
observed b62c86c0d3c4df6cd8fbd041990d4e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:23.908919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017299/publication.txt
observed 71f3c75cd73f43a105617a8b2e0a1d46...
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.