OpenTechnical

OT-2026-000006243

Publication integrity record

Vacuum cup gripper, three outlet manifold, three stage ejector, contact triggered, polyurethane cups, oval form

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-2026-000006243) never changes.

Identity and time

Publication numberOT-2026-000006243 · never reused
Internal UUID01a0a954-2b42-7980-a13d-24cd462fb3bc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:27:40.740950Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006243
StatusPUBLIC

Content hashes

Canonical textced5164fb15e5f6d2a11d6af8bab448bf7a6c3a5a7a96913fa72c119a677ff20
Markdown2b0b0cfe061ebf443bab9f4a8f873ca9a5a13b62da382107b5b37d4c990c1a8c
PDF
Publication page0f83eddca1ed0ac8f08f420e4359165a4dc095432f77270d93d2eb7e749154ea
Manifestd2066202800242c2117567c2915c5679de076af59e0fce5c3118a93f4d90a1ce

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
Signature9VXg1ckIrkwXUTOyP1rjtGBUFT1OjX/NKjb01tfmX/BtqJm1u/dYSNHPYxRojD/6P9ovsBsHUgFbgusOg3qfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:10.910118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006243
observed 0f83eddca1ed0ac8f08f420e4359165a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.895742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006243/manifest.json
observed d2066202800242c2117567c2915c5679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.882636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006243/publication.md
observed 2b0b0cfe061ebf443bab9f4a8f873ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:10.744522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006243/publication.txt
observed ced5164fb15e5f6d2a11d6af8bab448b...
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.