OpenTechnical

OT-2026-000014703

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000014703) never changes.

Identity and time

Publication numberOT-2026-000014703 · never reused
Internal UUID01a0ae6d-d093-7de3-b76a-96cb4e36445a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014703
StatusPUBLIC

Content hashes

Canonical text4f5a82f2ed05758cffe27bcf0b329afee126de3e4d60c5fb6717f5c81fc8eb36
Markdown88261909adf44f1c2b6c4774fc1a19586b3f0982b39b6f30e1db7892d3759772
PDF
Publication page30767e0c79ce8a2f59094bde68f67cce5fb3ba65a8b4fdf4193483d11971f96e
Manifest9b072188eeb4706dcc2660a85b570b670b6fce745da43d179340e528cdcc2426

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
Signature4KU3GaCCoLGAF5fBTeccI3zsQNiqkan2bdNCN7DMg0tNHB8fJVGTDz494sC+WB3pPz/5ytZ56VasbbMCaat8Cg==
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

2026-09-17T12:06:33.858028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014703
observed 30767e0c79ce8a2f59094bde68f67cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.837866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014703/manifest.json
observed 9b072188eeb4706dcc2660a85b570b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.816093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014703/publication.md
observed 88261909adf44f1c2b6c4774fc1a1958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.795023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014703/publication.txt
observed 4f5a82f2ed05758cffe27bcf0b329afe...
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.