OpenTechnical

OT-2026-000057016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057016) never changes.

Identity and time

Publication numberOT-2026-000057016 · never reused
Internal UUID01a0ae87-d5b6-7ba5-9968-634879ba892d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057016
StatusPUBLIC

Content hashes

Canonical text8921da7f3fad5b8461e346afcb28bc6bd12d4601812d0112b33c1eea3533fe1d
Markdown941d66f37ef16b40d2f3c4e83f9c5ff4ac2fc1c3ce82bc11be84b2fc92453f60
PDF
Publication pagee69d3631e8744b4136c49881aa54d88cd62833cbb983fa3ff4df7135c6d10062
Manifestfc70b978c40e3855892bb76c4021697232b4def30e96c6156710f71fec5f97f2

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
SignatureMH0+dpihCNmaLhPmnHKR2I5fTLrzgOV/EF7JheBuzaWdZJayOKS6SadCIyIQxj/5iO8InWUR4y3w036mQoHLBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:29.511887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057016
observed e69d3631e8744b4136c49881aa54d88c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.494253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057016/manifest.json
observed fc70b978c40e3855892bb76c40216972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.474945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057016/publication.md
observed 941d66f37ef16b40d2f3c4e83f9c5ff4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:29.457008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057016/publication.txt
observed 8921da7f3fad5b8461e346afcb28bc6b...
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.