OpenTechnical

OT-2026-000014867

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000014867) never changes.

Identity and time

Publication numberOT-2026-000014867 · never reused
Internal UUID01a0ae6d-d094-755a-a535-26ef329e2044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014867
StatusPUBLIC

Content hashes

Canonical textbfe9ac510d51fafcc9561a9cb744254c449a55159970e238359ca535c4bb0d45
Markdown4d2b8609454e6c8b6ffee4e8d570fd7a27cba91d42f8c1c853c0f30960d31c12
PDF
Publication page8acf99a0f512f71a07dada0295782f16c2988069397a6138aec0c8962d34fcba
Manifeste499a81091189dae380eeb0de148b7bb26e4267b5a6f176c650f15f4e190ea6d

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
SignatureWJzOOT0GtfV8eeZaIW1CE4OJCbTK7VlDX6IYtwjZBn3TffcKcuMl33P5JmYOJ0kg9mlNSJGTu2zIetBl773KAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:47.280616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014867
observed 8acf99a0f512f71a07dada0295782f16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.263650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014867/manifest.json
observed e499a81091189dae380eeb0de148b7bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.246756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014867/publication.md
observed 4d2b8609454e6c8b6ffee4e8d570fd7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:47.226353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014867/publication.txt
observed bfe9ac510d51fafcc9561a9cb744254c...
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.