OpenTechnical

OT-2026-000076050

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000076050) never changes.

Identity and time

Publication numberOT-2026-000076050 · never reused
Internal UUID01a0ae94-6a6e-77b7-a6dd-7432cdd8d6e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076050
StatusPUBLIC

Content hashes

Canonical text1866ed74b8f45b46cb103b871a8e9b02173af15d2167d7e383c88ec78af026d1
Markdown674ddf20b416e5da1be526c7b3fb9c22d779cfcfa394f29d1dd5070ae9ae39eb
PDF
Publication pageca6f42b8ff2640c433a785daabc3bbe9f84aa9e578d74b33e9817c1c48bdfd09
Manifest25524028178241bbd8d4042396d89ed0fbc1bee313381397a7e95420cd9cf272

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
Signaturex5f/GX2gAqEqOIRTGOT/M1g6yptGfx3srNra2Ko2dpigYqPpM+hM4o8Evx5fiLd/bDl7Le5mu8ASVLi0d7XEDg==
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

2026-09-17T10:10:33.034203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076050
observed ca6f42b8ff2640c433a785daabc3bbe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:33.012810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076050/manifest.json
observed 25524028178241bbd8d4042396d89ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.993862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076050/publication.md
observed 674ddf20b416e5da1be526c7b3fb9c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:32.974572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076050/publication.txt
observed 1866ed74b8f45b46cb103b871a8e9b02...
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.