OpenTechnical

OT-2026-000063575

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000063575) never changes.

Identity and time

Publication numberOT-2026-000063575 · never reused
Internal UUID01a0ae8c-f945-7232-a5a8-87169655949a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063575
StatusPUBLIC

Content hashes

Canonical textdb4354e5dd14b0cc17a2e44080c12df907865f70d55ab6c5d73ebc777ee33dad
Markdown9748e6b46858400f624abc105396ba8f83bcc2d9d64f30851f1859454fb7e0e4
PDF
Publication page7c1e20958ebe11d306a3415b6553b26617c9d33cf5795561de45d4f43dc8828e
Manifestbcce06c0bde3ce22f39a9c6e51c61c8ad70caa124dfc771a66593eecafe158e7

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
SignatureN+wNJ5CWUOQPg7Oj6sra9JY47NGYn0fKUtzdDhV6WSM87xM/YOyiNVCbhoK+GD0YepCouvJqLx9cTn4ZHSZ5Bw==
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

2026-09-17T10:37:35.234339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063575
observed 7c1e20958ebe11d306a3415b6553b266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.216072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063575/manifest.json
observed bcce06c0bde3ce22f39a9c6e51c61c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.199590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063575/publication.md
observed 9748e6b46858400f624abc105396ba8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:35.180569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063575/publication.txt
observed db4354e5dd14b0cc17a2e44080c12df9...
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.