OpenTechnical

OT-2026-000076080

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000076080) never changes.

Identity and time

Publication numberOT-2026-000076080 · never reused
Internal UUID01a0ae94-6a6e-71ad-8050-a964970b387b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076080
StatusPUBLIC

Content hashes

Canonical text74cf1842df537b30231d1a8f2f82763c30270e6dd7cdf23b9a632ca52be3b500
Markdown4bb66a683606fadcaccfb8c1b392ec5735868c80ed48764cd28a550a1c599fb7
PDF
Publication page6ff7f1441b6cb16c661790386e76b3d6753ba452b5cd79a488844b7f9c6c0e28
Manifest9add330fba2565e9e89f9c0cb9a38428c48621d9445593af2d09a111ae044639

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
SignaturezhOdUvn+iuCAr6kPmop6EDkUmBIUu0KW9vOJ12zkTdwZMZchtLpe7y5ll6jkR8tsvhIX/iiZOaR2gtvzUhsWCw==
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

2026-09-17T10:10:53.312855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076080
observed 6ff7f1441b6cb16c661790386e76b3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.287903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076080/manifest.json
observed 9add330fba2565e9e89f9c0cb9a38428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.268606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076080/publication.md
observed 4bb66a683606fadcaccfb8c1b392ec57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.250120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076080/publication.txt
observed 74cf1842df537b30231d1a8f2f82763c...
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.