OpenTechnical

OT-2026-000006369

Publication integrity record

Vacuum cup gripper, per zone isolation, pump fed, pressure verified, contact triggered, polyurethane 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-2026-000006369) never changes.

Identity and time

Publication numberOT-2026-000006369 · never reused
Internal UUID01a0a958-92e1-7c18-9e9b-6c2b1652c1a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:32:29.412834Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006369
StatusPUBLIC

Content hashes

Canonical text8436b95c90d75bc7a091f5ffc1d6b9a3ddc59c3c26b042317b2fc71ea23ac904
Markdowncb4f6cf0682c7f38b0d7102fbc0832f407cf4e76721d7ae9db2445652b7db901
PDF
Publication paged10c6edbf4059f386aa33924ed93bb2930be379190528c292ed049855add8040
Manifest1dcbbfccf21e18e5a46a7c6b2faa82a8b7a0d698a182c4637d99583fda7b0e91

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
SignaturekCuYRrdy3kXPYP3fExJE2s8LanYX90ltJBWHJv6HzLBKaWEm0CcqyAHAtWniAzwLi8GI+uc5jthsJdlO2G3GDw==
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

2026-09-16T08:40:25.884504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006369
observed d10c6edbf4059f386aa33924ed93bb29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.749846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006369/manifest.json
observed 1dcbbfccf21e18e5a46a7c6b2faa82a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.736735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006369/publication.md
observed cb4f6cf0682c7f38b0d7102fbc0832f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:25.723063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006369/publication.txt
observed 8436b95c90d75bc7a091f5ffc1d6b9a3...
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.