OpenTechnical

OT-2026-000023675

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023675) never changes.

Identity and time

Publication numberOT-2026-000023675 · never reused
Internal UUID01a0ae70-aed4-7b50-bc84-2e514ee00808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023675
StatusPUBLIC

Content hashes

Canonical text15efc6edff48ddde4da008d0402c7cfe39944aa9958c499c2a9bd11194689805
Markdown121f91482879e375f8e0f84577ecf47e0e6722bd8443f560466814a2acf05b58
PDF
Publication pagedee2ef6732e8eb14a1bb3f344220f4cc7c83959ffd1ca94130feba26ffe757e2
Manifestd9c1cf9c6524f667d42d8a688c7d57190b39e771e3e449ba1d599595cae0ec34

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
SignatureOXWrw/9lZBy4ZgpnzI82sZa62gzXmzE7u3MWhku+TJFjljtWiGscQt37FzOvt9vZxFpP5FS0FAiSB62/CE2IDg==
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

2026-09-17T11:49:59.793964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023675
observed dee2ef6732e8eb14a1bb3f344220f4cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.772248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023675/manifest.json
observed d9c1cf9c6524f667d42d8a688c7d5719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.754641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023675/publication.md
observed 121f91482879e375f8e0f84577ecf47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:59.731915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023675/publication.txt
observed 15efc6edff48ddde4da008d0402c7cfe...
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.