OpenTechnical

OT-2026-000003626

Publication integrity record

Bellows cup vacuum gripper, three zone face, three stage ejector, pressure verified

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-2026-000003626) never changes.

Identity and time

Publication numberOT-2026-000003626 · never reused
Internal UUID01a0a90a-92b2-7e3d-80b5-befea248b025 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:17.557324Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003626
StatusPUBLIC

Content hashes

Canonical textbf85027d6cdc6a33652006a690b6a3bf087f5bafd72f6e15f1ecc2a0ba30a98a
Markdown782284f22971b5e1545e0b3a17aec6a68d167c1e76c19c24c726de5a79b6d34b
PDF
Publication page4c9dabe7abfea88aa70a25c8319989f3c4db0fe9a1968e01a558f2921b4425ad
Manifest42722855125c43892c4eb6d4a0b6a3904f29c3f247c5ca32f814c8d59ffedef2

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
SignatureRQFLzZVPIhvLNGiroJyf1hl+9+Zv4yoGJagvRgo2fyjGZT6Nxb/S3SIsSh+kHFYQ2NvwUUmG5vDWzZOC23SKAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:30:36.388433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003626
observed 4c9dabe7abfea88aa70a25c8319989f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.373027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003626/manifest.json
observed 42722855125c43892c4eb6d4a0b6a390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.231135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003626/publication.md
observed 782284f22971b5e1545e0b3a17aec6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:36.185536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003626/publication.txt
observed bf85027d6cdc6a33652006a690b6a3bf...
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.