OpenTechnical

OT-2026-000068212

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000068212) never changes.

Identity and time

Publication numberOT-2026-000068212 · never reused
Internal UUID01a0ae8f-c4ff-709f-88c1-891164b4bfa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068212
StatusPUBLIC

Content hashes

Canonical text85b09487a8fcb5b33a78660aaa66376357f8245f98eaa5dba54a22ef65b9f38b
Markdown83a8a55324a160b247e49c5a8c0e561af7bf4ea2c2f173b9042554d78e1a7e80
PDF
Publication page406861b7a6cc37b4a4ea6fa6a7f46b8e89d23c59416e14815bd18623ce64a402
Manifest7820f07a30e75ff74935c31cf4b8448768b8d056a8d00cb3371280d1d0f5fb53

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
SignatureRQMypmqkSO+3jIMy1P/BlNNalgagbUrD9oDwcK/uL8+i952deBVZcKLQKlLZjgKuxPI9MFQtv0XyGPL+SdLGDA==
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

2026-09-17T10:30:52.547496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068212
observed 406861b7a6cc37b4a4ea6fa6a7f46b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.530142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068212/manifest.json
observed 7820f07a30e75ff74935c31cf4b84487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.512841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068212/publication.md
observed 83a8a55324a160b247e49c5a8c0e561a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:52.495553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068212/publication.txt
observed 85b09487a8fcb5b33a78660aaa663763...
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.