OpenTechnical

OT-2026-000074108

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000074108) never changes.

Identity and time

Publication numberOT-2026-000074108 · never reused
Internal UUID01a0ae93-7177-778e-b456-1393dc65d29f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074108
StatusPUBLIC

Content hashes

Canonical textc2bfd634dae9379f51163069fed650d77e4f88d151a6569abae8db0381474092
Markdown965767f72be201931e4cb3aace4af840086a0a442e91b67d6d7489799fa4c1f9
PDF
Publication pagec01a75b86fd998a27716f5d17b27e737e4b5412fdb48cf3363b22d7edc803278
Manifest9b2f8d331ca6c703ee6029656d700e28e9ecc9ce6bcdd2005cedc24b83b5667f

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
SignatureJWohY1g38JMRRz8nsl9BRkprFP2j3boV0QMyzQYa6iDArkDBsEdsQjaJ6HUDtoK4L3HG3RbEFTtxtNrGhc4gBw==
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

2026-09-17T10:18:56.673932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074108
observed c01a75b86fd998a27716f5d17b27e737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.655423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074108/manifest.json
observed 9b2f8d331ca6c703ee6029656d700e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.638984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074108/publication.md
observed 965767f72be201931e4cb3aace4af840...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.620654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074108/publication.txt
observed c2bfd634dae9379f51163069fed650d7...
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.