OpenTechnical

OT-2026-000100482

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained 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-2026-000100482) never changes.

Identity and time

Publication numberOT-2026-000100482 · never reused
Internal UUID01a0aea3-66ef-7d5f-ad0f-8bd8858dc06b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100482
StatusPUBLIC

Content hashes

Canonical textf3a5442069543b0611d36e3c5c6e149ce3e63b15ba35f21e5d8427b0544285a3
Markdown760b0340d1deaccbe1c32d8d663d59ebb5ebab9908139f368c1b756315683a6d
PDF
Publication pagef5e1d8258173f5db6bafe17a8d71309305bc47aa067e1750811eb03ccc01cb11
Manifest9cf1d1f3914fcc9c8644fa36fdc0e43c7e96131698bf0ce2978fb6c30de91199

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
SignatureKiWq07Pq7M84VcHadTT6yHRMckWg1Ee3G2Q0g2WrT37cbstkmRQhidWuW76cgzgZz9Ci8vmZPi5h1wUXHL5fAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:14.380174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100482
observed f5e1d8258173f5db6bafe17a8d713093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.362141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100482/manifest.json
observed 9cf1d1f3914fcc9c8644fa36fdc0e43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.344504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100482/publication.md
observed 760b0340d1deaccbe1c32d8d663d59eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:14.326133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100482/publication.txt
observed f3a5442069543b0611d36e3c5c6e149c...
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.