OpenTechnical

OT-2026-000066573

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066573) never changes.

Identity and time

Publication numberOT-2026-000066573 · never reused
Internal UUID01a0ae8e-ce41-788e-8c65-0ec490100861 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066573
StatusPUBLIC

Content hashes

Canonical textbf34a6e5c78196ae74a9bd38236c86a1cbbf343f5763ac7b8e1b53b974b14deb
Markdownaf28279bd42e75434fd5ab0ad758d9c684626120d34437edcc922ca6487ab1c6
PDF
Publication paged35d363358a529e36c23e116c8b962a26410e773ec35a13795193ca33268ba18
Manifest54f3ba393aae4490dae0bbd6903829fcf2eeacda26ed01c46f580dd0547762c0

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
SignatureI5WYtnapCSITYIrKCEHWqXJ7MLgctK9MrPoHL9hP9HgLX6v9mJh7wKWlHMYPZ7dEbRzgRTcpSiaphVtFQCFCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:50.788140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066573
observed d35d363358a529e36c23e116c8b962a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.772748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066573/manifest.json
observed 54f3ba393aae4490dae0bbd6903829fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.756692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066573/publication.md
observed af28279bd42e75434fd5ab0ad758d9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:50.739421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066573/publication.txt
observed bf34a6e5c78196ae74a9bd38236c86a1...
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.