OpenTechnical

OT-2026-000053645

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000053645) never changes.

Identity and time

Publication numberOT-2026-000053645 · never reused
Internal UUID01a0ae85-0a95-7b3b-9e46-9ebd25b75215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053645
StatusPUBLIC

Content hashes

Canonical textb00a8ffb129848e5b393a939f2dff5f86b4cfa37d158489e1c2ce130913a2c02
Markdown9a9f85cc3f16ffe781769171c423852f89f1c743bdd5eb7d916004eb0a28304c
PDF
Publication page8da28c365b17b162637aa1f60b9ed425c0b4b28e896bff2b901fb052fd8c0873
Manifestccd91e0ffc48ed9ebfe1afaa80cf2180feb54e2865817a93c45c2bd6133315d0

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
SignatureeBQzVpJT8+VbAEo+UcmgOAcAvvVyoW/bsJ+gmmwwP35jcuc9A7qEPInugGLH15qyNUaJIvtc2mv0+jwk3kFVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:31.840341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053645
observed 8da28c365b17b162637aa1f60b9ed425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.821361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053645/manifest.json
observed ccd91e0ffc48ed9ebfe1afaa80cf2180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.804073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053645/publication.md
observed 9a9f85cc3f16ffe781769171c423852f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:31.784146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053645/publication.txt
observed b00a8ffb129848e5b393a939f2dff5f8...
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.