OpenTechnical

OT-2026-000075661

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000075661) never changes.

Identity and time

Publication numberOT-2026-000075661 · never reused
Internal UUID01a0ae94-29fd-7f5f-8581-aa8d86220eef · 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-2026-000075661
StatusPUBLIC

Content hashes

Canonical text7263ff1a3da4691df59b8d26cdeb5c4f8445b11230e74557f7785d64e81f503e
Markdown1c80cd6713f6b9aa7d312c63daddd731828307d31131f0c879da01762d93dccc
PDF
Publication page8271cd5119b6060bb3e283dad3aa2d84a193b20842a244611116cd299125bd8f
Manifestbcf024c34288770829aa1bda0bb2c955b8d3d7ff72b00e3064801bc62bb73ff3

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
SignatureCXbSUq9wGGsQdy4/JU9Fbw3j/gxSYdqXoR81PXfy8KaeG/GQQB8LVBUr/teo3rF7A8AMrBhcJVauYCmiiGp7Ag==
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

2026-09-17T10:13:45.050341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075661
observed 8271cd5119b6060bb3e283dad3aa2d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.029965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075661/manifest.json
observed bcf024c34288770829aa1bda0bb2c955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.009182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075661/publication.md
observed 1c80cd6713f6b9aa7d312c63daddd731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:44.988877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075661/publication.txt
observed 7263ff1a3da4691df59b8d26cdeb5c4f...
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.