OpenTechnical

OT-2026-000067678

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented after 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-2026-000067678) never changes.

Identity and time

Publication numberOT-2026-000067678 · never reused
Internal UUID01a0ae8f-6bdb-7692-952f-c359affc5563 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067678
StatusPUBLIC

Content hashes

Canonical text956949ddc380b2f71d8af7a33e7b835b0fae6b9631d61cdf11a1be8a58796711
Markdown27c17891a268b356512280dead2e5fe13d6ab6b452bb2aaf73882060ec804d71
PDF
Publication pagec8ffe750251df80ba6678e7b6422026f80a32c9b3e546542627a3271a0bc923a
Manifest0c98db42dd9754d050b9c409540b7ba287a1e1463d9840db9adf1507d19aed0f

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
Signaturevi8Rb24w52i72dGouLfbyerQJpVOhQi7h+05wyo2+AU4imCmdYOINO7oyV/GPPhGo9g94+N8/TkrVG3gh0eMDw==
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

2026-09-17T10:32:00.904871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067678
observed c8ffe750251df80ba6678e7b6422026f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.886053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067678/manifest.json
observed 0c98db42dd9754d050b9c409540b7ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.867131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067678/publication.md
observed 27c17891a268b356512280dead2e5fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.847720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067678/publication.txt
observed 956949ddc380b2f71d8af7a33e7b835b...
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.