OpenTechnical

OT-2026-000015361

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line 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-2026-000015361) never changes.

Identity and time

Publication numberOT-2026-000015361 · never reused
Internal UUID01a0ae6d-ef49-7d17-95e5-8e6773eb1b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015361
StatusPUBLIC

Content hashes

Canonical textfbca62065b1b152cae2dcc57a592d94c06689c07ddfb01c3feeb0bb951198276
Markdownff9bdd886617bc0a877444dca437e647bfc8e70f8f0729c6c306d27aad90c7f4
PDF
Publication page90c7efe10149f56f27168aba71c4c16911d0af7c370125b0dc11dd828fca6188
Manifest3dd31a350a58c19187044eec52b91e4158a352af392a9ec85d9e4567bf3eedf4

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
SignatureH73FmUSk5rYKm9R6VkcYyki0CwfmJpo5QsqwKe/2eYc8bo+f1OeKNnbB2/lbitEoZ3hzB3mD9lZBWbeeLHNkCw==
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

2026-09-17T12:06:04.266897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015361
observed 90c7efe10149f56f27168aba71c4c169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.247339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015361/manifest.json
observed 3dd31a350a58c19187044eec52b91e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.228359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015361/publication.md
observed ff9bdd886617bc0a877444dca437e647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.208370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015361/publication.txt
observed fbca62065b1b152cae2dcc57a592d94c...
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.