OpenTechnical

OT-2026-000007328

Publication integrity record

Vacuum cup gripper, two zone face, per zone isolation, ejector fed, pressure verified, 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-2026-000007328) never changes.

Identity and time

Publication numberOT-2026-000007328 · never reused
Internal UUID01a0a97a-d6ab-7cc0-9624-64afe73c4d65 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:09:54.989637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007328
StatusPUBLIC

Content hashes

Canonical text966c895fa13aec7375d2c8f13d8ab3e42b6983cdaf49b777ee1a151097184cab
Markdown0678b3100b5d6596763611ce268071e301a883b11519dc9fdcbbcd2ba1816681
PDF
Publication page61688d680e04de00247b8ef8a1cb62d302ce3cdf963f363af08fd311f5d649d9
Manifestc1447630113301d84f48eddf6ba96dade8622f52184499741f3c8658c339807f

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
SignatureogR5ROPLxIxILt1SiJACzZNaxnH9oO3P2eL5zoQyI5izuxPm6pFVAw004YYNFlYIdihl8zr8ltGgp9ZPzyb8Cw==
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

2026-09-16T09:10:03.435627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007328
observed 61688d680e04de00247b8ef8a1cb62d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.422094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007328/manifest.json
observed c1447630113301d84f48eddf6ba96dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.410619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007328/publication.md
observed 0678b3100b5d6596763611ce268071e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:03.398499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007328/publication.txt
observed 966c895fa13aec7375d2c8f13d8ab3e4...
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.