OpenTechnical

OT-2026-000075912

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000075912) never changes.

Identity and time

Publication numberOT-2026-000075912 · never reused
Internal UUID01a0ae94-29ff-7fa2-bb3e-4b74eae7621a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075912
StatusPUBLIC

Content hashes

Canonical textf5c7f949d7b02e75e9d014c954ff71b78ab94661d531ebf67cdc2d28718b056e
Markdown4fabade0766a75f1c301ec483a098dcf25281c11d965b2586b881d81a1531be3
PDF
Publication pagebe98cc7c7cd87457b608c3ce09f1b971c0efdb3c365022fd9e8b1de10a63abc5
Manifestfcf61a0a0c1668c43dc7d4c5bca5709b99c742710c2ab58211607d201a2a98a4

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
SignatureiC4cCbjHV2sGku7IRTvJnD+fH9zv3/IHGg1cJLS7W8J7Npm3kv0pjfpuofFH2McMcIy5IKF8KPU+pAN296omDA==
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

2026-09-17T10:14:44.788148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075912
observed be98cc7c7cd87457b608c3ce09f1b971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:44.765113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075912/manifest.json
observed fcf61a0a0c1668c43dc7d4c5bca5709b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:44.744806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075912/publication.md
observed 4fabade0766a75f1c301ec483a098dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:44.726214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075912/publication.txt
observed f5c7f949d7b02e75e9d014c954ff71b7...
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.