OpenTechnical

OT-2026-000100783

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100783) never changes.

Identity and time

Publication numberOT-2026-000100783 · never reused
Internal UUID01a0aea3-66f5-79f7-9060-4b52bec1ddc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100783
StatusPUBLIC

Content hashes

Canonical textc4b291a2c3381afe278bb0a6886f74dd542557a7818c054564ee6fc52dcb960b
Markdownd6310f9f0b99d2846cb6542a200af5340f636a0044f3523197b3798ac1e71ad0
PDF
Publication pageb8381ab22f0f7a1c9a83629c6b39b777a114f381969e2ef4b5216fef032c8da7
Manifest28c5204b73b427068e257c070c97d23c6a2b847ffeca9a761716359040ab3439

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
Signature+b2CQ3blJ4wiQvCOYWOAyB6VvrwxUklwkaj39/yPl4lWUn9rVeTjLpALhlhQtOJuOsFp9+rkDOxmVjMjmBC0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:41.507806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100783
observed b8381ab22f0f7a1c9a83629c6b39b777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.489273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100783/manifest.json
observed 28c5204b73b427068e257c070c97d23c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.470415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100783/publication.md
observed d6310f9f0b99d2846cb6542a200af534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:41.450707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100783/publication.txt
observed c4b291a2c3381afe278bb0a6886f74dd...
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.