OpenTechnical

OT-2026-000025037

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000025037) never changes.

Identity and time

Publication numberOT-2026-000025037 · never reused
Internal UUID01a0ae71-2728-710d-8b2d-7b5ba916e101 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025037
StatusPUBLIC

Content hashes

Canonical text8dc4f15992e5a06809307d2ce9e154b3c9ba81357abca2acf80d6ccc3421d0be
Markdown8d948a56ca703dd17fd217d5b652a0449dea16f0a17326400a0103acc69da51c
PDF
Publication pagebaf662a8c6a68a95b96b7b312df5f66747a76ff116c66b4303d93fac9df40c4b
Manifest43916f4153e80831623006f83cffe7735e8446d0dc134decd543124b5d9c9dff

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
SignatureYKIIH78XiHVb2ydei/dfJxGQ1wdTENVdZ5SpY76hbimMHfnpFoTFBowbLJEGYWrczSq83CIulms4+WTmGOppAQ==
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

2026-09-17T11:48:26.574648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025037
observed baf662a8c6a68a95b96b7b312df5f667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.558187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025037/manifest.json
observed 43916f4153e80831623006f83cffe773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.541272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025037/publication.md
observed 8d948a56ca703dd17fd217d5b652a044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.524190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025037/publication.txt
observed 8dc4f15992e5a06809307d2ce9e154b3...
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.