OpenTechnical

OT-2026-000018801

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000018801) never changes.

Identity and time

Publication numberOT-2026-000018801 · never reused
Internal UUID01a0ae6e-d521-7fcd-8671-7d40cd6e46ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018801
StatusPUBLIC

Content hashes

Canonical texta417ddf329caa8473b4082c907bebd918c52eb72bb1187e1af6301327c73376a
Markdown3aae6a6bc0714a58299ff0e75e5ccadd941d65173c71c3171141d61639a6c367
PDF
Publication page59858d8cf12980d6dc4cf53108d3469f79f6693b9175392f92f2da65f1be6cfa
Manifestacfcb969f1efbfa1025fed2894ac06bbcf4e34f36132e9ba32333fc75bbc58ed

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
SignatureVqw6Ud9IxBU9fV8MLxoMWFMDfIcJJWrOKYEE7RIOcu1NygCb2INxCAI8UMZu5s9ZNfoFwLNXSmDzHNsxwD1vAQ==
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

2026-09-17T11:59:25.727890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018801
observed 59858d8cf12980d6dc4cf53108d3469f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.710435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018801/manifest.json
observed acfcb969f1efbfa1025fed2894ac06bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.690973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018801/publication.md
observed 3aae6a6bc0714a58299ff0e75e5ccadd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.673797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018801/publication.txt
observed a417ddf329caa8473b4082c907bebd91...
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.