OpenTechnical

OT-2026-000093807

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000093807) never changes.

Identity and time

Publication numberOT-2026-000093807 · never reused
Internal UUID01a0ae9e-508c-7862-ab22-930bfeadf621 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093807
StatusPUBLIC

Content hashes

Canonical text106e7d8b0cd28a53b41535957b3ca011f4d1e1791299043627e66cb324d10671
Markdown0cf05c09b2ba9132f3719fb0868e666b9241123d6fbd0636a6fe69d57cda5921
PDF
Publication page0170f7d67feb3eda061bd6e75f9de26b76f06e716f5cc95e00c3c60adbf47df5
Manifest46f8e4b832233c833856ab327e8d9c7ae9b2636675a1d1ae4ecb70f07cbebb24

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
SignatureUIUc1hK9ca9qBrJpD85FwV6/V87wR3rTxKI6cnpJL1N3A9kCaTgBmP0nxm5xagwpVbkEyPS3qVNIG1mOT2jPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:54.813566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093807
observed 0170f7d67feb3eda061bd6e75f9de26b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:54.797235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093807/manifest.json
observed 46f8e4b832233c833856ab327e8d9c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:54.780816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093807/publication.md
observed 0cf05c09b2ba9132f3719fb0868e666b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:54.763909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093807/publication.txt
observed 106e7d8b0cd28a53b41535957b3ca011...
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.