OpenTechnical

OT-2026-000076023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000076023) never changes.

Identity and time

Publication numberOT-2026-000076023 · never reused
Internal UUID01a0ae94-2a00-735f-9296-c89beeaa7ad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076023
StatusPUBLIC

Content hashes

Canonical texta8a322671bcd00c4cdc6bf851bede0c97dd7d913e6c70a1ea650a3e7b7f8f8e1
Markdownf6d5517ffb626a1f3d54fd97ae913a3349f83463d7db2026455c8f0c228df553
PDF
Publication page9e7616ea5268413cf9391065b280dab8d6f21810108c699b3c66dbf6193b26a6
Manifestf13f76a618d817fd5c9c42cd056ea7739a764187e4208e22b7ed8fcd34e18162

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
SignatureCK/V8Y8kP0Xrb/Dn3FuMNZHmA7y2rp0jHBRs6qQiGrDG91mE6drBnesE2jpr1FXjDf0juBTF9qSgQcQTjl6qCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:16.782843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023
observed 9e7616ea5268413cf9391065b280dab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.766430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023/manifest.json
observed f13f76a618d817fd5c9c42cd056ea773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.747515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023/publication.md
observed f6d5517ffb626a1f3d54fd97ae913a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.730008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023/publication.txt
observed a8a322671bcd00c4cdc6bf851bede0c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.699499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023
observed 9e7616ea5268413cf9391065b280dab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.553484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023/manifest.json
observed f13f76a618d817fd5c9c42cd056ea773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.532404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023/publication.md
observed f6d5517ffb626a1f3d54fd97ae913a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:12.514544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076023/publication.txt
observed a8a322671bcd00c4cdc6bf851bede0c9...
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.