OpenTechnical

OT-2026-000010454

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000010454) never changes.

Identity and time

Publication numberOT-2026-000010454 · never reused
Internal UUID01a0ae6c-0ee6-77a3-9707-d763515767da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010454
StatusPUBLIC

Content hashes

Canonical text3beb7d3f8b80690e63189977037c46a9d79c393a517fee9b7c5b95622974152b
Markdown82b1e3194fb9f46ba3f1820e8ceb08d07f0ed8c8ffb8d65b24a0ee6baa917a48
PDF
Publication page1951aedce3a2a769e04f1857959a704bac301e45bef73b4da80168cfe0566e6b
Manifest2f5e2d0630756b847ca65fb4b9ce6b586e948302fdc63ce727aa4badf41b3bde

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
SignatureKy6vt0GIPDSRhRHMymBK+mhQ5pr3ZuUWAXzYuMn1mTFkVCYqAcxdDp88bmnubVkdb7PHbZ6r3buZ1bIKwctmBg==
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

2026-09-17T12:14:35.496234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010454
observed 1951aedce3a2a769e04f1857959a704b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.477036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010454/manifest.json
observed 2f5e2d0630756b847ca65fb4b9ce6b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.456928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010454/publication.md
observed 82b1e3194fb9f46ba3f1820e8ceb08d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:35.436252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010454/publication.txt
observed 3beb7d3f8b80690e63189977037c46a9...
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.