OpenTechnical

OT-2026-000021865

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000021865) never changes.

Identity and time

Publication numberOT-2026-000021865 · never reused
Internal UUID01a0ae6f-bb5b-75e3-aa08-dbca6822b508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021865
StatusPUBLIC

Content hashes

Canonical textd999ceee22df23485cc0ecf5d553b308493d49ee5139b3e06dff53c2bfb30098
Markdown8aceeece9c0fad6ae94708a8317359ebc057d1d37e9f297b9e9c7dc6df9bb5a5
PDF
Publication pageb2a150d1515070b26dd5dd9926c7eb3b6acbe1250c9eb6a08fae77d307b3e939
Manifestdf2e630d8b8a8ab30c89fafa2839b989ab08ea73d91f8e9f70d98fad10d73c68

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
SignatureN+mb8TXVLM1mQoKpDCYdqFilw/zJoMjqHlz2un++rcbz/Q7c+Oh3kbGTmD6LqjQPzg+Cn+iRcGk6RjYvJepEAw==
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

2026-09-17T11:54:25.719529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021865
observed b2a150d1515070b26dd5dd9926c7eb3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.700608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021865/manifest.json
observed df2e630d8b8a8ab30c89fafa2839b989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.672854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021865/publication.md
observed 8aceeece9c0fad6ae94708a8317359eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:25.644532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021865/publication.txt
observed d999ceee22df23485cc0ecf5d553b308...
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.