OpenTechnical

OT-2026-000006738

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, plant vacuum fed, 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-2026-000006738) never changes.

Identity and time

Publication numberOT-2026-000006738 · never reused
Internal UUID01a0a965-b134-77b1-a9d3-096284edbb02 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:49.142830Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006738
StatusPUBLIC

Content hashes

Canonical textd6b55584afadf8f3fc2fc9b073da4eac7ebbd6fb3d578736fb146ec0bb9074ad
Markdownfba5137a7964c75db526c2fa1f5762fd02f87d70aea061a7633447aeb518f1cc
PDF
Publication pagecdbf04678c62bcba0d6f044abdb7f5203538887fe8f7c8ee746cc78c68b50b6f
Manifestf9cc31e5150ef7ecc72b675ce9a123aae6ea17eeab617b3e3622bef09e3a45a0

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
Signaturedhh6MVqZIcyrKGqTd+2TLDukcHlKg8SA90Z8pecyyHBLE8OMJuKWXh4yrxr/SBrdxW3mJ/xIShuv1HHqt3VcAQ==
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

2026-09-16T08:50:11.716161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006738
observed cdbf04678c62bcba0d6f044abdb7f520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.703065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006738/manifest.json
observed f9cc31e5150ef7ecc72b675ce9a123aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.689024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006738/publication.md
observed fba5137a7964c75db526c2fa1f5762fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.674939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006738/publication.txt
observed d6b55584afadf8f3fc2fc9b073da4eac...
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.