OpenTechnical

OT-2026-000007299

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, contact triggered, polyurethane cups, flat 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-2026-000007299) never changes.

Identity and time

Publication numberOT-2026-000007299 · never reused
Internal UUID01a0a979-cf0c-7a0d-b17e-1f0aa2431070 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:47.503015Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007299
StatusPUBLIC

Content hashes

Canonical text73b39a5a917ca2bf0cc4e14fd37d8893bc1109b8043ef874ce06066647e92e19
Markdownec1a9e6f112a1ce5d332afe447732001d36d4a755c288dac672bfa6f629b1d1f
PDF
Publication page68ab4d483e4dacbe39ce8dfc760b38f8ab1cdcb412194dd75c34f01bc6fa3930
Manifest89f59e236dca8e4f8dba1c5bcc00112641a5ef9259a4d570bfd1227f2425a0cf

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
SignaturexNBBApQ5jxwD9h18WqzxLql/m7ey8/7oqKMWlqSIyARosm4bYX+pHvtj8Ao82hATZEsocccx/LDJfM+FSXf1CQ==
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

2026-09-16T09:10:06.413933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007299
observed 68ab4d483e4dacbe39ce8dfc760b38f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.402057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007299/manifest.json
observed 89f59e236dca8e4f8dba1c5bcc001126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.389346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007299/publication.md
observed ec1a9e6f112a1ce5d332afe447732001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.249592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007299/publication.txt
observed 73b39a5a917ca2bf0cc4e14fd37d8893...
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.