OpenTechnical

OT-2026-000083586

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000083586) never changes.

Identity and time

Publication numberOT-2026-000083586 · never reused
Internal UUID01a0ae98-0415-7ca8-a6eb-7518b319b249 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083586
StatusPUBLIC

Content hashes

Canonical text6c46a0ddaeb8c6f49060abbbc18863d788da398059d1209d4e40cf7b8468a7c0
Markdown15d1a519e61920509c27bc76ce49fc18b1e093616bd00f8b778b4abf290db95c
PDF
Publication page5584112f8a17ace0c55d271cba5cd6795168758f1017ad5bc0868191b97ca692
Manifest44f50029e06ab93e3b28f741b7b58c2ceff06216a4f78a460a662240f038851d

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
Signature17qtFegrzX7mmvhPKP29pAmMjSBj2BfxqMS2hdeCHEQXwmIAJbygSOJ9GkNgd39LteTKyfIDB8uks3JSmOwgAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:04.696880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083586
observed 5584112f8a17ace0c55d271cba5cd679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.679181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083586/manifest.json
observed 44f50029e06ab93e3b28f741b7b58c2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.662697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083586/publication.md
observed 15d1a519e61920509c27bc76ce49fc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:04.646232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083586/publication.txt
observed 6c46a0ddaeb8c6f49060abbbc18863d7...
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.