OpenTechnical

OT-2026-000023726

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000023726) never changes.

Identity and time

Publication numberOT-2026-000023726 · never reused
Internal UUID01a0ae70-aed4-7b52-ba49-5a1ba3f76fb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023726
StatusPUBLIC

Content hashes

Canonical text29af4a7ab9e53bac277cf1b45f54113d51cd1342ddd9819f943ca605fbbeb482
Markdown7a3d563ce9ce83f0454af629b3bd5feba9cb5034f0a7c4165df72db8596e2f51
PDF
Publication page443bf043827e6528f9a05fa3efa9e1b23a7b87f28a41dd3051cd9aa5ad7ccb2a
Manifest429f80cc18e83a662c96f09255da31e71fb8f50ed5cccd63278f7a2caf375feb

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
SignatureVp7C0KtDfJwMq4AHuJEycNbXHaS517PhXRJTyaYHEovnnRZyRmrBJVB680QLad5Tm/ofyZCeDoLo1zlWEvSnBA==
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

2026-09-17T11:50:04.155907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023726
observed 443bf043827e6528f9a05fa3efa9e1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.136925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023726/manifest.json
observed 429f80cc18e83a662c96f09255da31e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.117620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023726/publication.md
observed 7a3d563ce9ce83f0454af629b3bd5feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.098134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023726/publication.txt
observed 29af4a7ab9e53bac277cf1b45f54113d...
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.