OpenTechnical

OT-2026-000013077

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed blow-off before set-down

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-2026-000013077) never changes.

Identity and time

Publication numberOT-2026-000013077 · never reused
Internal UUID01a0ae6d-5565-77f2-ad46-7e59ce80aebb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013077
StatusPUBLIC

Content hashes

Canonical text5340c53a949ad5ee1ae6d482d5b80fbabb3e6a751edfe974944045fec41087db
Markdown7555f0a752baa765808029d94ef52021946fdbcae4b1322d2dd022f53462f175
PDF
Publication page13e113205fee050c2ed000b4fc1c0adcfc36c961af63456e6bdfe4c8dedff3a1
Manifestf55e19d522b6b106dc95b608c3d67eb2646c675c3191af14a5e38bac934aad3e

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
Signaturew8DgTvYVFZ5uViQAjx41LANkTWD3tICKGctGnLHbLvHALxAJU+tYgao2RNcDNN4L2svQa0F7GI/vpvJXmMVmBA==
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

2026-09-17T12:10:55.233718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013077
observed 13e113205fee050c2ed000b4fc1c0adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.214977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013077/manifest.json
observed f55e19d522b6b106dc95b608c3d67eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.197882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013077/publication.md
observed 7555f0a752baa765808029d94ef52021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:55.177577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013077/publication.txt
observed 5340c53a949ad5ee1ae6d482d5b80fba...
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.