OpenTechnical

OT-2026-000074710

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000074710) never changes.

Identity and time

Publication numberOT-2026-000074710 · never reused
Internal UUID01a0ae93-ac2b-72ce-a9da-8c9e2535f187 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074710
StatusPUBLIC

Content hashes

Canonical textf82a6103b0a790a90931c3da8ad2797950db1c39915ddc651d751ce2c333475b
Markdown91566ab1d186dde9e1de743d7223a478f88737b03d7218a3e879a3309ec6604d
PDF
Publication pagede5dde5d184901fa7b977da0080c5f8118b8877f97b01d3116a59b83abf651c4
Manifest540ade5e086ca8a1eaa0a2f38a397527e7c3ab8df538c1da2e382e4d94caf49c

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
Signature7IrWeiFYxUpLws8BgD5COJ62czM2Y7Vz5sKbVv7R/H2aQkKleyy5fxSS+TaxjBKxh9xjB1LOGEPy9yEIs8t5CQ==
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

2026-09-17T10:18:18.194740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074710
observed de5dde5d184901fa7b977da0080c5f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.176709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074710/manifest.json
observed 540ade5e086ca8a1eaa0a2f38a397527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.158918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074710/publication.md
observed 91566ab1d186dde9e1de743d7223a478...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.139271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074710/publication.txt
observed f82a6103b0a790a90931c3da8ad27979...
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.