OpenTechnical

OT-2026-000075864

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000075864) never changes.

Identity and time

Publication numberOT-2026-000075864 · never reused
Internal UUID01a0ae94-29ff-7864-90f3-310fbea9d5db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075864
StatusPUBLIC

Content hashes

Canonical textd82b3a26c3647a6c2883a4d6b492c998f9fbd7bd77c14cf127dead85f53a3b91
Markdownc67b0a91d234280ffed53e9fff801c4b0c4e76dccd0ff44dd43b43aef5d5a3d9
PDF
Publication page44d53b3b15569c60ed34930c32f08bddcff61a73d6c59dc95f29b7b84e18b10e
Manifeste9a1b9f4730335ddb75276ac84c47d7d5f0383731fcb2e716d013a6aeeb532d3

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
SignatureuJ47HYt1kDe+ccpX9iIkmO0ihfWjWnL8hUS/2qt/eZPVPU09Ed7r8AbT+Iopp8H/5rJ6Lht86edweX50hj90AA==
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

2026-09-17T10:14:36.458018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075864
observed 44d53b3b15569c60ed34930c32f08bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:36.302345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075864/manifest.json
observed e9a1b9f4730335ddb75276ac84c47d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:36.282491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075864/publication.md
observed c67b0a91d234280ffed53e9fff801c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:36.263846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075864/publication.txt
observed d82b3a26c3647a6c2883a4d6b492c998...
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.