OpenTechnical

OT-2026-000089551

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000089551) never changes.

Identity and time

Publication numberOT-2026-000089551 · never reused
Internal UUID01a0ae9c-1a21-766c-9698-3145f808e88d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089551
StatusPUBLIC

Content hashes

Canonical text1498925bf593d4a1fbccebfaa39fdaebc4f2acc959f298059ebb5c9fe9e36acb
Markdowne55e63655eba312ef7d810cc1e09d0691ca97887bd8977e69cc43793a5433303
PDF
Publication page57cecc93050020f5538c84aadea09c58ca52c46f69f198fd82f64f00dcbe716e
Manifeste8cb203044592cafed10dbb6b7b00b0288371be851527deeb04f15e5c6fb1c1a

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
SignaturemxSCKYxPOYqX74QRZcDXOnS7xO45fUtzjVe1QHwvkuGzMQN4JWkSnuQN825SyEN74ecZoRP3wFKsu5TMmVsUBw==
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

2026-09-17T09:46:31.308173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089551
observed 57cecc93050020f5538c84aadea09c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.290481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089551/manifest.json
observed e8cb203044592cafed10dbb6b7b00b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.272728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089551/publication.md
observed e55e63655eba312ef7d810cc1e09d069...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:31.256024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089551/publication.txt
observed 1498925bf593d4a1fbccebfaa39fdaeb...
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.