OpenTechnical

OT-2026-000016053

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000016053) never changes.

Identity and time

Publication numberOT-2026-000016053 · never reused
Internal UUID01a0ae6e-0c4e-78ec-8991-8c7156b07499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016053
StatusPUBLIC

Content hashes

Canonical textf076cdd7cf1e7299f620f858c805e5fcd4c2e857e1dceb1357b1cb4812604b5d
Markdown8a730e0a4600c5f37cb6c267a1c802e404344b850efacd428791662e00dbe2c2
PDF
Publication pagee6d1d1d25cf9870650419e2a7959d0ce8c56dfe7765dd8f01692074032cd1286
Manifestfbafce84d93fef622813919a2de592962c664d3c824375cf7a4be7c6d9cd7dd9

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
SignatureFOA7mBJGweRBB9gKKfa23lKhOenRiYwjvgR/NLGdTQniR23A3W3hn3lVxHDI6XcAgb02hrWo8SwjiakzuFlgCw==
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

2026-09-17T12:05:36.658933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016053
observed e6d1d1d25cf9870650419e2a7959d0ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.640018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016053/manifest.json
observed fbafce84d93fef622813919a2de59296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.621437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016053/publication.md
observed 8a730e0a4600c5f37cb6c267a1c802e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:36.600744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016053/publication.txt
observed f076cdd7cf1e7299f620f858c805e5fc...
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.