OpenTechnical

OT-2026-000012271

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000012271) never changes.

Identity and time

Publication numberOT-2026-000012271 · never reused
Internal UUID01a0ae6d-39f5-7b00-9063-97076ade828c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012271
StatusPUBLIC

Content hashes

Canonical text4222fa5808c3e0f9ad45498b76d7e36c09601dd86eef633b74282fd532793481
Markdownbab2de8cc0a8498e10ed3d3887584176c45ad35f920a59d85381b40dea962b01
PDF
Publication pageb9638492252ae0b515d5db3092c16ca09889c8cd81b2c7f86aae13468d6cf53e
Manifest7dad6241a57b9bc29a1cdf9f1dfb314929fa339fd2df89e620df66773140d349

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
SignaturehEgK4CTbY8fCMdhR95na6zjVjJSKVmsKpOG6xJp8iSMYtBEKc84rnihn++nv9tOJmzNmmJbTtss5f5zLu0HJBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:12.419429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012271
observed b9638492252ae0b515d5db3092c16ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.402610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012271/manifest.json
observed 7dad6241a57b9bc29a1cdf9f1dfb3149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.382926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012271/publication.md
observed bab2de8cc0a8498e10ed3d3887584176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.364195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012271/publication.txt
observed 4222fa5808c3e0f9ad45498b76d7e36c...
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.