OpenTechnical

OT-2026-000043549

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down

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-2026-000043549) never changes.

Identity and time

Publication numberOT-2026-000043549 · never reused
Internal UUID01a0ae7b-92cf-7f74-8275-1d585feac126 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043549
StatusPUBLIC

Content hashes

Canonical texte08daea789d69baed7c85d22b72969d6726c66cacbcda784fea75a9ffed6bc5d
Markdown1fe6568bc0f6572b5abf2a08522eed2a371d7850e2f7d9b75e87bacd3fadfaaf
PDF
Publication page403e8293140a467e205854eca4d3f4c2141a883c7ef3f8afe717218dd423093c
Manifest2431ab0a531363176bba54a0f601fee854048711dcd60fd2ec69bf47f9d8344d

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
Signature5i7HNIlL0lvC4Efqj/ef/ilB61c5li9g921U96NH3mfChGzEirGWdK+U9mL5GruQgHjRCdge+fiR40WFBX9zCw==
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

2026-09-17T11:12:56.218663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043549
observed 403e8293140a467e205854eca4d3f4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.198527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043549/manifest.json
observed 2431ab0a531363176bba54a0f601fee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.178962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043549/publication.md
observed 1fe6568bc0f6572b5abf2a08522eed2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:56.158969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043549/publication.txt
observed e08daea789d69baed7c85d22b72969d6...
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.