OpenTechnical

OT-2026-000003916

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, contact triggered

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-2026-000003916) never changes.

Identity and time

Publication numberOT-2026-000003916 · never reused
Internal UUID01a0a90b-731e-7460-a824-812ac0d28e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:15.008566Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003916
StatusPUBLIC

Content hashes

Canonical textcec9bc3587f23f2078ad84104c8097eccbaf0566ae50488188e172d474b30160
Markdownff5dee563800666085f895cd6ffb57a3d4df89d96065df878bfcfb4ada031184
PDF
Publication page1b75833b5fcad7d1ec57d7b572b334dee51849644933fed1a6cfa412ecd8d429
Manifest1cbd473b5f49cc31db7d0b0ffec226275f68e3f6ed866f7ae312d35989bcb5a0

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
Signatureh4Ui9ApvgYh/2BIadCJgZYsxxcisrQU3267y7pcbpqKYAgUk7k+6EiQefNfDo4cy/N7O2GAbEoLtTG/zWFAJAQ==
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

2026-09-16T07:10:12.507173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003916
observed 1b75833b5fcad7d1ec57d7b572b334de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.492642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003916/manifest.json
observed 1cbd473b5f49cc31db7d0b0ffec22627...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.478820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003916/publication.md
observed ff5dee563800666085f895cd6ffb57a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:12.465526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003916/publication.txt
observed cec9bc3587f23f2078ad84104c8097ec...
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.