OpenTechnical

OT-2026-000040730

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000040730) never changes.

Identity and time

Publication numberOT-2026-000040730 · never reused
Internal UUID01a0ae79-6d0f-7db3-8085-b72fd96a24e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040730
StatusPUBLIC

Content hashes

Canonical text58549224d83da78000b47a051cff4a1074d3c961c5e36f28c1f2f31c38ac6cd7
Markdown4e5147ff3cdc3dc6009f43d86040a7677a4007e167921036fe7c82f7a65969a1
PDF
Publication page121712bc71ce0424518c8e7885b63f9f70ca5abe82952257a03c6fc344891248
Manifest1befcd13ed4e70caa08bdb574803c46edcbcf8d8f8f18621bac22feee7ef70c6

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
SignatureQ0AhergyfquhLME63Pr4r0ofG6ld8qX40M7aEFpl5XYwvzz9IjPbM+xV0vzY2ofPj1oXvWC6mBuoo2Gq4RVfCQ==
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

2026-09-17T11:18:00.073860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040730
observed 121712bc71ce0424518c8e7885b63f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.055406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040730/manifest.json
observed 1befcd13ed4e70caa08bdb574803c46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.035899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040730/publication.md
observed 4e5147ff3cdc3dc6009f43d86040a767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:00.017539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040730/publication.txt
observed 58549224d83da78000b47a051cff4a10...
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.