OpenTechnical

OT-2026-000015806

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000015806) never changes.

Identity and time

Publication numberOT-2026-000015806 · never reused
Internal UUID01a0ae6e-0c4c-77b7-b6dd-f4531c43968f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015806
StatusPUBLIC

Content hashes

Canonical text4109265cec8ef4e7cd96b6e316162cff3c50904563b7054b7aa8f4a4d236df3a
Markdown6aa8e5317746ee99210dad3dcb66d3b7fd36cd9dfbc1b4970517dd41a78aad74
PDF
Publication page16a6df52ef315671fc98aa27a057742b49c3a4f6607ac54054fd35d34c8ccadf
Manifest18d0d68864a9d1110c40b8e624e649b0429b3019b524a374d1c36bae5439d567

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
SignatureXQ/cTr5d8/U4urq9YsFesP5WlyRfJMSHJHSQg6a6GWIHRgg1Id6NvY/XqYez6vAk47FzCmqivsPVfEg8FDK3CQ==
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

2026-09-17T12:05:06.871654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015806
observed 16a6df52ef315671fc98aa27a057742b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.853895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015806/manifest.json
observed 18d0d68864a9d1110c40b8e624e649b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.836926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015806/publication.md
observed 6aa8e5317746ee99210dad3dcb66d3b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:06.818730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015806/publication.txt
observed 4109265cec8ef4e7cd96b6e316162cff...
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.