OpenTechnical

OT-2026-000042649

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000042649) never changes.

Identity and time

Publication numberOT-2026-000042649 · never reused
Internal UUID01a0ae7a-c0ce-7a4e-9d26-03a718a3c6d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042649
StatusPUBLIC

Content hashes

Canonical text098171e149cdc7fa4de0c2793b1c58384869fb93c95e7da96cff049e33c10fb8
Markdown8a3c36f71429f190933cb5ef75b712de5f1b205074eb8ed013e12bf39b7dd4b3
PDF
Publication pageb97c6d4cf9f8d884016b6f1e91c7327c1073d114841aff3ea31d796b20a57761
Manifeste37ad7b5cd3efd6d52c6770e70dfb280db262e4642a12e64225b992905a74f3f

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
Signaturea0JrFdeuEcXg/0XJlMTB37mwS0VanbtRXgmQ8/Byd7ucQJ/VFLrAvgz0yqUEKez0X0BEp5pWOcrUPB5awVPjAw==
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

2026-09-17T11:14:23.329406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042649
observed b97c6d4cf9f8d884016b6f1e91c7327c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.308159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042649/manifest.json
observed e37ad7b5cd3efd6d52c6770e70dfb280...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.288754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042649/publication.md
observed 8a3c36f71429f190933cb5ef75b712de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:23.268929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042649/publication.txt
observed 098171e149cdc7fa4de0c2793b1c5838...
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.