OpenTechnical

OT-2026-000040844

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000040844) never changes.

Identity and time

Publication numberOT-2026-000040844 · never reused
Internal UUID01a0ae79-6d10-7211-b918-1d5c438359b0 · 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-2026-000040844
StatusPUBLIC

Content hashes

Canonical text9d51a1f59f4129846f004602d9fe5609fc8cc8eb8c36d73938f2faa01375bd3a
Markdown5d2d80da0bbb6c5cd187c7d4463d50620be60a5912df9eed6a06537d27a2f6cf
PDF
Publication pagedeaad0dbd84d296fc7307cb97f2341e5bfeb6cc7b8a713125faaf1c7610a5660
Manifest2d4bb53aa32e5ffc88d55835f23e5a08c2e9ad2d0bda234c0702370149393e3b

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
SignatureIRQ1IoIkTCz+CjaFnUXuo357EqB1ZUYEssVeFuqW/hCqbeIF+jOThuAwedOOmHDys28Ol6oe0MQDKcmBSFh3DA==
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

2026-09-17T11:20:11.646589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844
observed deaad0dbd84d296fc7307cb97f2341e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.626278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844/manifest.json
observed 2d4bb53aa32e5ffc88d55835f23e5a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.607543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844/publication.md
observed 5d2d80da0bbb6c5cd187c7d4463d5062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:11.585866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844/publication.txt
observed 9d51a1f59f4129846f004602d9fe5609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.614114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844
observed deaad0dbd84d296fc7307cb97f2341e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.595830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844/manifest.json
observed 2d4bb53aa32e5ffc88d55835f23e5a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.577266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844/publication.md
observed 5d2d80da0bbb6c5cd187c7d4463d5062...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:37.559096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040844/publication.txt
observed 9d51a1f59f4129846f004602d9fe5609...
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.