OpenTechnical

OT-2026-000022269

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000022269) never changes.

Identity and time

Publication numberOT-2026-000022269 · never reused
Internal UUID01a0ae6f-f4fc-71cd-a4ff-c73d1a618b07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022269
StatusPUBLIC

Content hashes

Canonical textf01402d81165d6b3f4c90b07549c78e5c5903cd64c6fb82dd3fe7726c73d53c8
Markdown8fff68f6a4c26b7659a91a3a2ff646066ca36df50a949e11454a0d32c2fd476d
PDF
Publication page2400d8afaa82dfe87c96265c0530353287917e6481c9a2efefc5c93ee62c8a9d
Manifestb5a03d7d1129d77b4e5337f5ff04d094e907290e3edbccd08805563b70098257

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
SignatureHKxzbe4v8ECrdgdX0HyUm5G1UKD1prkqODyBwzwlbT4hB9A7pbQ6Rue8D07oeuYI5CjqtWx8HoLYFHtvOgRuBw==
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

2026-09-17T11:53:04.061952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022269
observed 2400d8afaa82dfe87c96265c05303532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.044594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022269/manifest.json
observed b5a03d7d1129d77b4e5337f5ff04d094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.026839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022269/publication.md
observed 8fff68f6a4c26b7659a91a3a2ff64606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.008786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022269/publication.txt
observed f01402d81165d6b3f4c90b07549c78e5...
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.