OpenTechnical

OT-2026-000008423

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000008423) never changes.

Identity and time

Publication numberOT-2026-000008423 · never reused
Internal UUID01a0ae6a-e46a-7316-87a5-084f37ec6073 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008423
StatusPUBLIC

Content hashes

Canonical text883afc47644377cc914227f0eedf07b8373470134af8b9affb726804e581b6e0
Markdown0999bcb650480d6c147b8153d0c286abd0e6cdb0e80a3f58e8d210d5919b9022
PDF
Publication page571852ae80c3a47d0c8c3eb18dcaf81e0ad24a8abc215753ed2c194af830544e
Manifest9a2f328532a1b5d929dc5624e1b33946e37232e264ab0b586ad8ebcaa4cf2590

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
SignatureL6XgG7Tf3b8rJ30dwvX2m5bOVc6855w74umKZUeAMUqZgUjlYO4iLS7ra3H4M/0ILyI18dDjAloVEqtj2RAqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:16.499843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008423
observed 571852ae80c3a47d0c8c3eb18dcaf81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.481478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008423/manifest.json
observed 9a2f328532a1b5d929dc5624e1b33946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.460365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008423/publication.md
observed 0999bcb650480d6c147b8153d0c286ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:16.440824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008423/publication.txt
observed 883afc47644377cc914227f0eedf07b8...
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.