OpenTechnical

OT-2026-000023592

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000023592) never changes.

Identity and time

Publication numberOT-2026-000023592 · never reused
Internal UUID01a0ae70-726a-7f5d-915f-6a9c2bcaeb81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023592
StatusPUBLIC

Content hashes

Canonical text755dee4abe5ef41dac6ec4b633aef5e98873c863db8608242a3a8def39a1cd15
Markdown447a0df11fdbaa1e00614f2f75bf129ec19c3d3fb8e29e57acb9889e3435b169
PDF
Publication page275b4fa0845cbb40d4e6bba3a59f8af8d410b73a68d28b563a8e57de65599577
Manifest27ac163fc88877ec76ce0934608063f8969cd5cce4e7153e30740a92643cdfe0

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
SignatureJIyEsfMzdhXVp1FmMUY4D1p2qP4XZVcQmfrBfVgJaSkVuKhRqN/IBEeSPHuDSPbMiPBb+ymR0HSMv5sXejv8DQ==
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

2026-09-17T11:51:57.094358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023592
observed 275b4fa0845cbb40d4e6bba3a59f8af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.075876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023592/manifest.json
observed 27ac163fc88877ec76ce0934608063f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.056260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023592/publication.md
observed 447a0df11fdbaa1e00614f2f75bf129e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.038469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023592/publication.txt
observed 755dee4abe5ef41dac6ec4b633aef5e9...
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.