OpenTechnical

OT-2026-000027751

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000027751) never changes.

Identity and time

Publication numberOT-2026-000027751 · never reused
Internal UUID01a0ae72-a4a4-70c0-822c-de7842e2eaab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027751
StatusPUBLIC

Content hashes

Canonical text85463fcadeab18a6321f9009c1e53fccccf1d3b0ee0613bc21ea245e1a4a3663
Markdown2137bd578dcf7a047dd4a500e2664e7b5a9f196acb7d3a70a540efb8afd4f231
PDF
Publication page68e35ef59d002158fb3a83681406e6407cc0d81eaf630cfc89bc59190305fe31
Manifest3a9ec0fe3b84255b971bd5e010f6a919deedbe7e85f88e0962648d80507d21d4

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
Signature1tgcRJH/WL9EhzltY3Q6wJ370u38jg55U88jSUNkt8i14BjH0lRVOpcGyjE7KR8JZrcap1JDzZDSfdQDjahmBg==
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

2026-09-17T11:41:47.442004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027751
observed 68e35ef59d002158fb3a83681406e640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.422732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027751/manifest.json
observed 3a9ec0fe3b84255b971bd5e010f6a919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.403206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027751/publication.md
observed 2137bd578dcf7a047dd4a500e2664e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.384875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027751/publication.txt
observed 85463fcadeab18a6321f9009c1e53fcc...
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.