OpenTechnical

OT-2026-000008446

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000008446) never changes.

Identity and time

Publication numberOT-2026-000008446 · never reused
Internal UUID01a0ae6a-e46a-7c54-8b45-0a88cfcf97ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008446
StatusPUBLIC

Content hashes

Canonical text99fe58056b209d9a944609c44ae19bea9b639e0d1dbe1c1a96bba59dba65f25e
Markdown41422de3ff30378aa5776b02d82276f0cbdd0ac11974c57bef6d9fa2c6125073
PDF
Publication page349cfb5a0a79b5acc75dc38ca998bc95fb89db62a113c97a342c10df4c80588e
Manifest5c8269cb769ddadf7035fdd9ac8b064a667ea70ac05b21a8305d8216dd9644e6

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
Signature7iAmB8twUswIqJpfEjkT/MmwFN5fspYRMZ56kUaXC+yaSHQMWPEfMiKyd1+5PG/J01iz9m+5HfkcHAolJfyTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:19.682553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008446
observed 349cfb5a0a79b5acc75dc38ca998bc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.665359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008446/manifest.json
observed 5c8269cb769ddadf7035fdd9ac8b064a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.647631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008446/publication.md
observed 41422de3ff30378aa5776b02d82276f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.626817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008446/publication.txt
observed 99fe58056b209d9a944609c44ae19bea...
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.