OpenTechnical

OT-2026-000025003

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000025003) never changes.

Identity and time

Publication numberOT-2026-000025003 · never reused
Internal UUID01a0ae71-2728-7cf0-9ede-e6bc5d5a8f41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025003
StatusPUBLIC

Content hashes

Canonical text07b276df4ca4cfcae97bb6f16c4a98ad892662b055a2961cbc6400cfa5171cb3
Markdown997d340343588307623e77689a9fdfb98ad8594bf503c94a6015362236e6d9d0
PDF
Publication pagee12b13c4838d339701eb95f5969b16971c113a94e02885eb944766a4882391da
Manifest630139e78f5bde198881d6f0ac5605a19319a0f2cbca41d81bb4b882ff933035

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
SignaturednGWYBRJcUm2X9pDSGo67hMDO0f9kcV/n8hZpmcMzxOc47AAkttGEZ3K730GZdsfQ+PrSN3qfoKZUnbRdU9HAQ==
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

2026-09-17T11:48:24.010666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025003
observed e12b13c4838d339701eb95f5969b1697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.993408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025003/manifest.json
observed 630139e78f5bde198881d6f0ac5605a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.973085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025003/publication.md
observed 997d340343588307623e77689a9fdfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:23.953760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025003/publication.txt
observed 07b276df4ca4cfcae97bb6f16c4a98ad...
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.