OpenTechnical

OT-2026-000036855

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000036855) never changes.

Identity and time

Publication numberOT-2026-000036855 · never reused
Internal UUID01a0ae77-773e-7a7b-a7ce-43ea70577360 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036855
StatusPUBLIC

Content hashes

Canonical textc0f8e7ece004e1193c5b87b70de4da8fc17c30f8499162971c56dc77d92c0079
Markdown9cdf197f2e85db7851234953a09210d4849c338bd31d1ff254c6afa4c46a30e2
PDF
Publication page92b9ea1e0dbdd5bfcfdf0b588e56af0d9f20c912f85e2c231684631e788a1e01
Manifest79c2be8608474b1a99d0270c4faa05fd93bc12c568af5c5900520640eeaf3afd

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
Signatureh0B51B9BJFgIWxcbRDyUwC7rY4E3AhRE6cG71+mHvDi3b2fl7p+cJPj2dr+Zh5S/mNJvqlIUylkMv4uCEPheBA==
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

2026-09-17T11:24:28.952910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036855
observed 92b9ea1e0dbdd5bfcfdf0b588e56af0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.935982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036855/manifest.json
observed 79c2be8608474b1a99d0270c4faa05fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.919623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036855/publication.md
observed 9cdf197f2e85db7851234953a09210d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:28.902784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036855/publication.txt
observed c0f8e7ece004e1193c5b87b70de4da8f...
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.