OpenTechnical

OT-2026-000068001

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068001) never changes.

Identity and time

Publication numberOT-2026-000068001 · never reused
Internal UUID01a0ae8f-c4fd-7313-b109-be01d6a7a552 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068001
StatusPUBLIC

Content hashes

Canonical text21d0344ed1ca2add3d03b5b0fb5d309ac47f25cfd84495b81f2492563cfc1d53
Markdown91063fdef9f6b268da739ffe727969c7f248d577e03a3fdc3b43f2744f71d20e
PDF
Publication pageb177eefdbdefbccb03151707375732d880c585546919c95eec145f62b5cdbcdf
Manifestbca4202961f9681589a8f834b7fd1ed6fb6013f51e54bd95f91de4e90403a8a0

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
Signaturej3xohyHV6Tye79Wi7W6VRXN9HaBHqnKJKO3LPHTEP4g7td+ywfArf3/xjKwCmaoQTpddu697IAEJxs7yz8CqAQ==
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

2026-09-17T10:30:33.304933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068001
observed b177eefdbdefbccb03151707375732d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.287371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068001/manifest.json
observed bca4202961f9681589a8f834b7fd1ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.268768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068001/publication.md
observed 91063fdef9f6b268da739ffe727969c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:33.252102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068001/publication.txt
observed 21d0344ed1ca2add3d03b5b0fb5d309a...
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.