OpenTechnical

OT-2026-000027448

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, sustained 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-2026-000027448) never changes.

Identity and time

Publication numberOT-2026-000027448 · never reused
Internal UUID01a0ae72-6998-7ba6-8bdb-8dd34102c953 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027448
StatusPUBLIC

Content hashes

Canonical textd2366fab7a944ff5ea49c60096aff4c244ff8a66b4ba29a5af14e7e9f296a981
Markdown3989bfdd114f9db6560cd3e1f7fdb0e5acd9a695ca3d81a9cb146e7fc240bd9e
PDF
Publication pageb720b869345047ad8524f382bce70a776e512d06a82eedf22fb6f31519897c49
Manifest533204400ccc694ad28f9aaa53d3714906d3a3cef08dfa1a04df553efac2cfff

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
Signaturen/wKewb057GJFqn6/6zUYLxG7byS/y1j8ZsrEWBrswFJcewFxjyVbmsUpP8rpWw699lb/DEuLB+eAtHRLcbbCw==
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

2026-09-17T11:42:54.190601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027448
observed b720b869345047ad8524f382bce70a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.173676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027448/manifest.json
observed 533204400ccc694ad28f9aaa53d37149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.156586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027448/publication.md
observed 3989bfdd114f9db6560cd3e1f7fdb0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:54.115042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027448/publication.txt
observed d2366fab7a944ff5ea49c60096aff4c2...
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.