OpenTechnical

OT-2026-000079497

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, 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-2026-000079497) never changes.

Identity and time

Publication numberOT-2026-000079497 · never reused
Internal UUID01a0ae96-0b91-7f09-9b66-7dc2a00ddbe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079497
StatusPUBLIC

Content hashes

Canonical textcdfe2721ea4432e91013c8beb932e73c71122a442464d4e020d4671b5324e729
Markdown485acc4b0dcc04eead638925fa3d89a3efd9ee664008474438155357b086ea6d
PDF
Publication page24c6d967986ae28ce8b663b73ff6193cfa1448071c76006cbc9a167298f77003
Manifest5c9ec2c16f7b94acf407499239543920f02c76fd214bd831186fe618b5d733f4

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
SignaturedC6favnMKkTh2HvXF/g1LC9wpMjdtkGv3WBeupxWloW3oQ0MDjFw1E9JvKmBUdm1gjdvvq5xfOkXtZht2HR5BQ==
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

2026-09-17T10:05:07.251689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079497
observed 24c6d967986ae28ce8b663b73ff6193c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.234058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079497/manifest.json
observed 5c9ec2c16f7b94acf407499239543920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.215194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079497/publication.md
observed 485acc4b0dcc04eead638925fa3d89a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.196414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079497/publication.txt
observed cdfe2721ea4432e91013c8beb932e73c...
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.