OpenTechnical

OT-2026-000074430

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000074430) never changes.

Identity and time

Publication numberOT-2026-000074430 · never reused
Internal UUID01a0ae93-717a-7e57-a78c-65be4d9fb5f3 · 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-2026-000074430
StatusPUBLIC

Content hashes

Canonical textd67f4577f01bc5054596119aaca60bd020a15a0d136fd2ea1dbf38d4bfb73975
Markdownb9e98539058206a1f8d98be46ee651636776c36e3b4ddfb5fe72d0509b8c772d
PDF
Publication page7e3d87b44cf031afc3c047a514ab9ded422a2837f9c69a39e60c3bba71f8d4d4
Manifest7c5cd1bcb7ee4e4a652703e5439a46e17b63e540ffe0fa91cab55898e5319c38

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
SignatureTQLCmxm8jtp1DdCsmpLiuXxjGQT4soIOlt2fYpk2InmItcqLHOoREmwbtZrkWV2Y8bJfHPJeHflQpPluE4xjDg==
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

2026-09-17T10:19:22.816232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074430
observed 7e3d87b44cf031afc3c047a514ab9ded...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.796927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074430/manifest.json
observed 7c5cd1bcb7ee4e4a652703e5439a46e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.778485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074430/publication.md
observed b9e98539058206a1f8d98be46ee65163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:22.758362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074430/publication.txt
observed d67f4577f01bc5054596119aaca60bd0...
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.