OpenTechnical

OT-2026-000080478

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000080478) never changes.

Identity and time

Publication numberOT-2026-000080478 · never reused
Internal UUID01a0ae96-7e78-7ba8-9357-0ce672d016c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080478
StatusPUBLIC

Content hashes

Canonical textbf9406e44674d4a7f3263e2839bf5a90cf2a737e282c47bd99e0a4487e24b36a
Markdown803fd9447d034372757455806bd0eae680e066d283340ba38b3ef49cb2e91173
PDF
Publication pagec76b10d55b1fe57a4c4ee69fa8d0a055efe4b41f31eddf6c1266c71d83054fb6
Manifest324424b076d278d624ff7ea318346368fb60618865de34a3c23afdd749d8b5ff

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
SignatureWmN1Oe8fY1a1fyt0BghSQ0a06C9kJPGnkJswmBpxaIKHd3bKNlzcjgNq0WrRBGZE3wJzk998Rrpx/KppV3W7Cg==
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

2026-09-17T10:02:59.967135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080478
observed c76b10d55b1fe57a4c4ee69fa8d0a055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.948022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080478/manifest.json
observed 324424b076d278d624ff7ea318346368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.929984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080478/publication.md
observed 803fd9447d034372757455806bd0eae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.912280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080478/publication.txt
observed bf9406e44674d4a7f3263e2839bf5a90...
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.