OpenTechnical

OT-2026-000093142

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000093142) never changes.

Identity and time

Publication numberOT-2026-000093142 · never reused
Internal UUID01a0ae9e-0910-7ff8-94eb-bcac666009eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093142
StatusPUBLIC

Content hashes

Canonical textad45b33293428929ff3a7070a1aeddfec0de7eb8d1029b9b94a222753dd2a8ec
Markdown901ec0bc28beb404a166ad976b6934759f75f614c61e966cd9fcac08f1e5583f
PDF
Publication page8b4d8ca3f09d34c22fdce1b24d8c1868d4f2d9707b864b8b42845f2301922290
Manifestd5a1ba3c792267195f81dc5740d41df0f3da5f7a52c8e9bc71dc0f4add9b1192

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
SignatureJSwxzNd6lrFYLPaZp8GdLZNlh2Ydh4mQWuKzw3zYtSsBPVhZZLb5vjYLB+dsDuEUyf1Omu4e5EB+nJG6f/WtCA==
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

2026-09-17T09:40:26.142899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093142
observed 8b4d8ca3f09d34c22fdce1b24d8c1868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.124052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093142/manifest.json
observed d5a1ba3c792267195f81dc5740d41df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.105508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093142/publication.md
observed 901ec0bc28beb404a166ad976b693475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:26.088734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093142/publication.txt
observed ad45b33293428929ff3a7070a1aeddfe...
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.