OpenTechnical

OT-2026-000080234

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000080234) never changes.

Identity and time

Publication numberOT-2026-000080234 · never reused
Internal UUID01a0ae96-7e76-749e-942a-1a9ddba06435 · 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-2026-000080234
StatusPUBLIC

Content hashes

Canonical text19fc7a0dc2b90433525dce706e6df8a47f3f9d4a3419fa9c629d80b17c0095c2
Markdown54eb9c64216e88f8926c3c122da4c1488cc1231bc27c358a979f7714ad350f1e
PDF
Publication page7d540b14d3122d032fa1eafdb2fbe29aee847983c2ec86a101a978e7f55877a2
Manifest4889a04597d3a864f95aaf208a9a26a197d36ecd8924b54f5e3c1b8fb6487dfb

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
SignatureQjkrxacISVifH9TkYI5ZbB2B7jl6Rqb8HwWxgFiv0/03bhdSyerevEiIA5a/+ajIXcauxcVOg31CvEYgoiYiCQ==
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

2026-09-17T10:02:41.482826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080234
observed 7d540b14d3122d032fa1eafdb2fbe29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.463196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080234/manifest.json
observed 4889a04597d3a864f95aaf208a9a26a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.444954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080234/publication.md
observed 54eb9c64216e88f8926c3c122da4c148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:41.428413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080234/publication.txt
observed 19fc7a0dc2b90433525dce706e6df8a4...
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.