OpenTechnical

OT-2026-000090792

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090792) never changes.

Identity and time

Publication numberOT-2026-000090792 · never reused
Internal UUID01a0ae9c-7f31-746d-870b-eeca21a3fadc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090792
StatusPUBLIC

Content hashes

Canonical textcadb592d7486cd94c78ab447326b07d9c5e2a48fe24c6cd92ffa919ea43d6e9a
Markdowncc8ea6d173f67026681bc4d9a8eaa4e844d065b73868087dfb8960276167f057
PDF
Publication pagef2e286d32d443ced8fedda161566c7e4cff3d626631cb09391f38f4ba918350f
Manifest3e883140eecf2d4f2658c4448540973043d5610dffdb68fe1907fabe17ef59cf

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
SignatureL31dtZrlProDBZYmE9mTBkM/ulU5dR2iMcdu88eAV79xlNrQ5R1TCUMTwNrfINjoXi98nfcvqJV65GOB8si0CQ==
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

2026-09-17T09:44:59.909293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090792
observed f2e286d32d443ced8fedda161566c7e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.891407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090792/manifest.json
observed 3e883140eecf2d4f2658c44485409730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.873459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090792/publication.md
observed cc8ea6d173f67026681bc4d9a8eaa4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.855325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090792/publication.txt
observed cadb592d7486cd94c78ab447326b07d9...
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.