OpenTechnical

OT-2026-000059093

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000059093) never changes.

Identity and time

Publication numberOT-2026-000059093 · never reused
Internal UUID01a0ae89-8611-76ff-a86a-43f5c028df45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059093
StatusPUBLIC

Content hashes

Canonical text70a29850e5bb94a5182b1eebf07f7ac10c50b51123b484bee3eae13e7b47079e
Markdown55b1cdc8073da49813a4988e03b20b9cd264b521c1238147736c32ff1c10cccd
PDF
Publication page8d84e37f3db125e23287358c1aed98c8afd51936d07348075d36b2e5f385bff9
Manifestf8025c71fa8a14f1e89f5477fbcdfec480053b915e8881801d19ec290b18d6fb

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
SignatureBui6M/xWyhDFTeLSE5Mh4F+pwcumaFu4h+11iYze2yKkKem+6CS2ogssg1dppsvzvyjymAwFq6ta18ek76ZYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:55.549311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059093
observed 8d84e37f3db125e23287358c1aed98c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:55.532410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059093/manifest.json
observed f8025c71fa8a14f1e89f5477fbcdfec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:55.513661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059093/publication.md
observed 55b1cdc8073da49813a4988e03b20b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:55.495896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059093/publication.txt
observed 70a29850e5bb94a5182b1eebf07f7ac1...
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.