OpenTechnical

OT-2026-000018285

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018285) never changes.

Identity and time

Publication numberOT-2026-000018285 · never reused
Internal UUID01a0ae6e-b489-75da-9de5-bb6c7c3f68e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018285
StatusPUBLIC

Content hashes

Canonical text61948a34e8f09a86c2549a1fcf3e73ec45e6913138bb34e228a316223fa6b3b7
Markdownc217108c0c347387d71d3d7110075040288fee65ace226a1347924ce7f2936db
PDF
Publication page4e2a7a3bac11e9a9343e35f50d6c8012bfd39c59eeaa8cc753ff6815f259e399
Manifest8fed24cc75411c9cfb7ad06fe3cc19e40ea0a0db7db4f1dad084e773282336b9

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
SignatureJf5YLI1C0ylbNWn+4RolKfwCFRzR+i+ntz8wIPQJhCmiqFd8Ho/dIjgGSDYSgtN4T5vlwtBInfoHEZfW8exaAQ==
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

2026-09-17T12:00:08.697421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018285
observed 4e2a7a3bac11e9a9343e35f50d6c8012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.678325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018285/manifest.json
observed 8fed24cc75411c9cfb7ad06fe3cc19e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.656809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018285/publication.md
observed c217108c0c347387d71d3d7110075040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.635914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018285/publication.txt
observed 61948a34e8f09a86c2549a1fcf3e73ec...
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.