OpenTechnical

OT-2026-000016555

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000016555) never changes.

Identity and time

Publication numberOT-2026-000016555 · never reused
Internal UUID01a0ae6e-2d14-7515-a478-0ffc2267c117 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016555
StatusPUBLIC

Content hashes

Canonical text82b1aedd222d3d82652b0b63f0815d17f8e1b25650c3dd50981081bd0d056921
Markdown0d6b2296e46f2dae4ec3b783b6bf7b0c246f267ba2a1843e2ece7e89363de235
PDF
Publication pagec8ed133585161f4a40a1db6272a91ffb2c2f9604166efbfe5fa62840dc354115
Manifest8e18dc891c4a32c7456add35e1d182da8ef0c83c5cf2b826c6b796a48da332a3

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
SignaturehDL/h/sBV7GzHjdTxrVoQYoHdAEldDO0G7G422lkKWwqrL6EMQ8TuFNIAwkP6lKOtN0u6l+/wILZ5/qNXfwDBw==
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

2026-09-17T12:04:46.929735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016555
observed c8ed133585161f4a40a1db6272a91ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.911264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016555/manifest.json
observed 8e18dc891c4a32c7456add35e1d182da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.894689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016555/publication.md
observed 0d6b2296e46f2dae4ec3b783b6bf7b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.876491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016555/publication.txt
observed 82b1aedd222d3d82652b0b63f0815d17...
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.