OpenTechnical

OT-2026-000075757

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000075757) never changes.

Identity and time

Publication numberOT-2026-000075757 · never reused
Internal UUID01a0ae94-29fe-724d-ba8e-69d9c59523cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075757
StatusPUBLIC

Content hashes

Canonical texte3c6df840eb310d609c4c680896b900999deb1c16611be56879d11b04843c9ab
Markdown9029252aba73c12c95201fcc69f4321f138f1544086122bdf6ee961c3d8fa473
PDF
Publication pagee66fc68493d2d7c76225150d33bc36071f24f58969c8fd2fe9a9be40ace58d98
Manifest5c5adeea6dd2ae8632bca1828dd3b0d90c3eebb60e25d286493aa3a8a6f2e2aa

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
SignatureN6tAU3iONgFtE7SNv6KA/RDmQPlbWSWfTQUFLVEA/q9IAYZwJE1H0V4XgVm7OBRhMmBnCi65G/055JeiTJJLCw==
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

2026-09-17T10:14:08.514971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075757
observed e66fc68493d2d7c76225150d33bc3607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.495370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075757/manifest.json
observed 5c5adeea6dd2ae8632bca1828dd3b0d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.475658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075757/publication.md
observed 9029252aba73c12c95201fcc69f4321f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.457324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075757/publication.txt
observed e3c6df840eb310d609c4c680896b9009...
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.