OpenTechnical

OT-2026-000007499

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000007499) never changes.

Identity and time

Publication numberOT-2026-000007499 · never reused
Internal UUID01a0ae62-4df4-7386-a376-f60424967e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007499
StatusPUBLIC

Content hashes

Canonical text86b2380433bfb3c07ea1428195960a7a3b4f48e5e7fcaf4beab37d41a79e86a2
Markdown9e477278bd1adebf044c6c8433624bee9e839cc8c51a2bdd0e856b8e0b235e68
PDF
Publication pagef9b5b53cf8abfe97b7ead631ff871417203fde5fd4193d7ab544aa12a52afac2
Manifest987691918535d2eac1c37b59a89009616fd2e5631fb60ef59416753e1e554887

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
Signaturesusyq+XHvKiANFOgSS8f8NVjvgJcWJrfmzpm32N6AJzM+BazKsVKS9vA5p/nm9B+cks4wewwQ471PSo5sx5XCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:20.265858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007499
observed f9b5b53cf8abfe97b7ead631ff871417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.247410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007499/manifest.json
observed 987691918535d2eac1c37b59a8900961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.228535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007499/publication.md
observed 9e477278bd1adebf044c6c8433624bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.209586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007499/publication.txt
observed 86b2380433bfb3c07ea1428195960a7a...
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.