OpenTechnical

OT-2026-000080622

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000080622) never changes.

Identity and time

Publication numberOT-2026-000080622 · never reused
Internal UUID01a0ae96-7e79-7aac-86f8-227361a240b8 · 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-2026-000080622
StatusPUBLIC

Content hashes

Canonical textb654e5dd4837243fbafc8ac6f104bc91070d87a446033f627eac16fa8c6676a3
Markdowned3bc0a0d3c25561585450e23394ed70e18cf220aff5b4f691ae8c38696b9177
PDF
Publication page0ea4b970086f1f68629a78eb5f230c05fb2b102bfa2537bbfffd6037b004817d
Manifestfe1c3290266f37691fb359fdfd11c28cc678f68fc2a6c0b0b22d31ae8aedaef6

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
Signature3Jhi8tvVamaA7bHts5c98saNh65DJ9jqUJ/2znGe9C/LN9HZGC+yb0dNKtW2eEknPzbirAkXYwm1ZjMQObFkBA==
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

2026-09-17T10:03:16.103167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080622
observed 0ea4b970086f1f68629a78eb5f230c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.076523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080622/manifest.json
observed fe1c3290266f37691fb359fdfd11c28c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:16.017659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080622/publication.md
observed ed3bc0a0d3c25561585450e23394ed70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:15.976975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080622/publication.txt
observed b654e5dd4837243fbafc8ac6f104bc91...
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.