OpenTechnical

OT-2026-000056396

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000056396) never changes.

Identity and time

Publication numberOT-2026-000056396 · never reused
Internal UUID01a0ae87-4bd2-7b0c-a52c-1442aae92664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056396
StatusPUBLIC

Content hashes

Canonical text35895c9228589396747cfa52cd57e854080fc8d5a897bf95dce561ad6e826877
Markdown3ac63473acc268f4ff7e4927dfcca9c7ba0703067b7b8a1f510119e7a9319803
PDF
Publication page4f14819b3b5678547edeeef96cff96098a9934c806110482d753518715c77f54
Manifest508acfdb462e7c1a8060e2979a3055f5f7c86a7ebed7541f48b2488a0bff376d

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
SignatureP4kGsTa6Ca9eIPhuavFwlosEQpOCPTD4zd0BTC8KeT3vTXBqc7j90olPPUaRus3wlslT717KIuYKhgSE2pkIDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:55.359204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056396
observed 4f14819b3b5678547edeeef96cff9609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.341242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056396/manifest.json
observed 508acfdb462e7c1a8060e2979a3055f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.323522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056396/publication.md
observed 3ac63473acc268f4ff7e4927dfcca9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:55.306751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056396/publication.txt
observed 35895c9228589396747cfa52cd57e854...
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.