OpenTechnical

OT-2026-000040768

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000040768) never changes.

Identity and time

Publication numberOT-2026-000040768 · never reused
Internal UUID01a0ae79-6d0f-7f9e-aa32-0d75048f7280 · 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-2026-000040768
StatusPUBLIC

Content hashes

Canonical textcd733d8d41f251f1c73993e4afdb485180f2118c7c692007f68a72e5aa56ba7f
Markdownb645c43cb938bf6d205569e6a3a993e71078b832938d6ac2243d2b2ffc5b2499
PDF
Publication pagec0c46fb6a2abf863c54dc3cb750fd9bd2e426bd489687dddaad44a2af33ad8c6
Manifest9bb9f899030dd2e976245ba65c9b0285d6d257568848a2d01463b418e06aa288

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
SignatureMHr18z3rQYrSYV7gsdV06bIwn2H/JwWhq4QC3NmBBmxZQGqbKulwZ8kGXmotdhIIN2Z+wDsnc4/Fvako0MAODA==
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

2026-09-17T11:20:04.126028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768
observed c0c46fb6a2abf863c54dc3cb750fd9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.104009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768/manifest.json
observed 9bb9f899030dd2e976245ba65c9b0285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.086364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768/publication.md
observed b645c43cb938bf6d205569e6a3a993e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.068207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768/publication.txt
observed cd733d8d41f251f1c73993e4afdb4851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.999818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768
observed c0c46fb6a2abf863c54dc3cb750fd9bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.983778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768/manifest.json
observed 9bb9f899030dd2e976245ba65c9b0285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.964922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768/publication.md
observed b645c43cb938bf6d205569e6a3a993e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:31.944007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040768/publication.txt
observed cd733d8d41f251f1c73993e4afdb4851...
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.