OpenTechnical

OT-2026-000015197

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000015197) never changes.

Identity and time

Publication numberOT-2026-000015197 · never reused
Internal UUID01a0ae6d-ef47-7edf-a112-68e5bca78770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015197
StatusPUBLIC

Content hashes

Canonical text4f17ea03a76a77515eb31889953870d7f048aa4f7452a04657307cab8361c79d
Markdown8a5f18bfffed0955ae11698a14b17e079004995e3f85b3fcfbf3f7ebf24378ce
PDF
Publication pageebeca458b315d3a92e1b857bea9bd665fdbaa3e20cf98dce58bda992b241eb88
Manifest58e3a20998bee0d68614d3914165f76a2179b790a9f76da262e2c5f3bd2c68db

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
Signature3GduqHJYNqoiegjxG01j6/rLhSMPZ+Nr/g/KRNmZlvKHfBUIk87Tvzs4N3kIGJfdwNWR5BmtOyppnH5ixTWAAg==
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

2026-09-17T12:05:49.612850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015197
observed ebeca458b315d3a92e1b857bea9bd665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.594015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015197/manifest.json
observed 58e3a20998bee0d68614d3914165f76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.573405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015197/publication.md
observed 8a5f18bfffed0955ae11698a14b17e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.553032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015197/publication.txt
observed 4f17ea03a76a77515eb31889953870d7...
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.