OpenTechnical

OT-2026-000034333

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000034333) never changes.

Identity and time

Publication numberOT-2026-000034333 · never reused
Internal UUID01a0ae75-df0e-7969-a9f9-559c5a79536d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034333
StatusPUBLIC

Content hashes

Canonical text10b68eae83806ec59ee475668937b69e52d05894b921e8b8fead5cc25c4a219c
Markdown4470ba9c6e1653b1a38f7013f1500ac598e380daf9c7fc0997b7fecc895ad11b
PDF
Publication page864f72ae94b96a79e726ce58c61005b0d83767c39c09171150dc51e0080d2c7a
Manifest1c1273a4de83affe0b5d60a86d3e8cec2958b3639fb347c57e52687591e57477

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
Signature3t3t2S/tNlefVNvazxno3JP5MnSnWBE+eRhBBFjx23F16/mzwDu0heayM5VIrWUP9bROl15n/6TP25G5wV6VAg==
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

2026-09-17T11:31:01.784500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034333
observed 864f72ae94b96a79e726ce58c61005b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.767822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034333/manifest.json
observed 1c1273a4de83affe0b5d60a86d3e8cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.749367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034333/publication.md
observed 4470ba9c6e1653b1a38f7013f1500ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.732950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034333/publication.txt
observed 10b68eae83806ec59ee475668937b69e...
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.