OpenTechnical

OT-2026-000009634

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, vented after 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-2026-000009634) never changes.

Identity and time

Publication numberOT-2026-000009634 · never reused
Internal UUID01a0ae6b-7563-71ca-a4cc-e1d4b733e02e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009634
StatusPUBLIC

Content hashes

Canonical text7020ce72e422ba611edbd5de55a66dea56302a349c0cd9c7e940537963fcd16c
Markdown11cd988d578dcd31d0dd82a428651e1d215e88658081de37ae9796ee31cb57ca
PDF
Publication page53768e8e5d536320fef8b008df109cf0300a6c9a542e67fa8bd9d7819a123103
Manifest13b9d0776f7e83b5bd6f2ef3b931806b16e4c55009a68a7c14e795285bd17055

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
SignaturedOck7H30blP6s60HGpzD7X7xDY6dpdgZ7paf7yBXbaaRXt3iTwHXPWdCOZ77UoLJnd/gqi/a6mqDQgQTnHyXCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:05.659122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009634
observed 53768e8e5d536320fef8b008df109cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:05.640035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009634/manifest.json
observed 13b9d0776f7e83b5bd6f2ef3b931806b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:05.621447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009634/publication.md
observed 11cd988d578dcd31d0dd82a428651e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:05.601088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009634/publication.txt
observed 7020ce72e422ba611edbd5de55a66dea...
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.