OpenTechnical

OT-2026-000007463

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified, contact triggered on the face, rubber cups

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-2026-000007463) never changes.

Identity and time

Publication numberOT-2026-000007463 · never reused
Internal UUID01a0a97f-b97d-7b37-92b6-72ab1244ef22 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:15.199947Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007463
StatusPUBLIC

Content hashes

Canonical texte129bbaa0b1d3bcc5dee890164fd12e4caa6a022b205df2fdc9f1a0ee137dbb0
Markdown42f5b14da6b5ba943a380bd41d5897eaaf1cbc54b7169ad91520e4955bfbfa8b
PDF
Publication pagefab0cddf70891bb62bd65bef0bb374c6d64bc40540e9b9c456eac0f05eab2993
Manifestb48656fbbe2680cedfad73588f4cfb8553682f28d9ba52fc730187730b47b551

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
Signature7q4DYutIRUalCDvp3ChA1GVbEcUv7wwRG8eKqBbDd02fPnMVA2ESUGMcxTvu+/Bd0/9Uk+rxCnWa7/oVTesHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:04.001190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007463
observed fab0cddf70891bb62bd65bef0bb374c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.988124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007463/manifest.json
observed b48656fbbe2680cedfad73588f4cfb85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.974788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007463/publication.md
observed 42f5b14da6b5ba943a380bd41d5897ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.962208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007463/publication.txt
observed e129bbaa0b1d3bcc5dee890164fd12e4...
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.