OpenTechnical

OT-2026-000018793

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000018793) never changes.

Identity and time

Publication numberOT-2026-000018793 · never reused
Internal UUID01a0ae6e-d521-7f73-8091-192684275c8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018793
StatusPUBLIC

Content hashes

Canonical text6ab8676e75373971538d19a9a827da58d25dc789fa0b51819481442854282e53
Markdownc3f74e7e286c1e9eb71015e7f41effe810659cae5251e9488eaad721116778f5
PDF
Publication pageab3013c7b02d1ee43ced12ed29a9bcb767a82fb106ae22b2df09139e8147fe26
Manifest57b8afe37b538ce449346bd34880bbad5bf5e1af2cc4d6f7baabf579092faefb

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
SignatureV647P62u3AUqQ0nu/S29EDwlm4PTzSxWnkPO+MHbpUXhFNz1isnKkhzJJi+dYvxxb8DIDm4oXynNktBsnZT3AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:25.144563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018793
observed ab3013c7b02d1ee43ced12ed29a9bcb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.126745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018793/manifest.json
observed 57b8afe37b538ce449346bd34880bbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.108616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018793/publication.md
observed c3f74e7e286c1e9eb71015e7f41effe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.090694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018793/publication.txt
observed 6ab8676e75373971538d19a9a827da58...
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.