OpenTechnical

OT-2026-000036227

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000036227) never changes.

Identity and time

Publication numberOT-2026-000036227 · never reused
Internal UUID01a0ae77-01cf-775a-a909-0585c07f9990 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036227
StatusPUBLIC

Content hashes

Canonical texteeb44a90da65f5dee2f4698c229d5f76f3da2cf96485d607f317acf8642ca8e8
Markdownf8892d8dbbb7c3440831448a9408dd9c0e310e8f9aee0eda415542d7ca5d551c
PDF
Publication pageca03e3c9ee300c8407a42b116b31c038af218cea31297fde8ec4b97cb4a43684
Manifestb75fe164fd3b8146a4bbdd26a02a8727af7c1b831d9410a32007eacc18a26638

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
SignatureD47oXKUKnEXhXwyI1yS9B0xwzprFlB0owZ7rmflqeWmOq1duPi9BpgScOa4XANzzbU43hM2/gW9Fc+SgQ8DiBw==
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

2026-09-17T11:26:28.627720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036227
observed ca03e3c9ee300c8407a42b116b31c038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.608656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036227/manifest.json
observed b75fe164fd3b8146a4bbdd26a02a8727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.588739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036227/publication.md
observed f8892d8dbbb7c3440831448a9408dd9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:28.569760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036227/publication.txt
observed eeb44a90da65f5dee2f4698c229d5f76...
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.