OpenTechnical

OT-2026-000074476

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

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-2026-000074476) never changes.

Identity and time

Publication numberOT-2026-000074476 · never reused
Internal UUID01a0ae93-717a-782a-8847-be954534b64b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074476
StatusPUBLIC

Content hashes

Canonical text872cd3f2cc95feb474c608c481cdb6044f7d3be970f862912864deefe00d49b3
Markdownd4aad79d1a172cd925769603e9746cb1e6b3d9bec82f46fe3d0e5afb30d1ffd4
PDF
Publication pagefffb470a6e3bce29e5cfece3dcf4287037c85cb574d02cf617b37200e41f828c
Manifest78b147ee638ce748a579f12fb4c299b8740d3b6dc833bdc48a71376a7be0b0ac

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
SignatureAGi/HE+CdVRYbdCb+pwLghHEJWPoCqgLoAn3gcJY2qXBkMmPWzIAHvmpRKyxhFloobLiIhhMjS2KklwsXcjaAA==
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

2026-09-17T10:19:26.349622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074476
observed fffb470a6e3bce29e5cfece3dcf42870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.332330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074476/manifest.json
observed 78b147ee638ce748a579f12fb4c299b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.314716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074476/publication.md
observed d4aad79d1a172cd925769603e9746cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:26.296231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074476/publication.txt
observed 872cd3f2cc95feb474c608c481cdb604...
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.