OpenTechnical

OT-2026-000087934

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087934) never changes.

Identity and time

Publication numberOT-2026-000087934 · never reused
Internal UUID01a0ae9b-1aa6-7f50-a917-390448070b59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087934
StatusPUBLIC

Content hashes

Canonical text7c67c003988d5404af8e2ac10f0ba6235bbec3b2d740aa558fcbb1740ca86ef2
Markdown48c927eb0627e6ad93dd11075fe986025148cc8f11f7e163bce3c0f77be96720
PDF
Publication page903d5d977e0cdffdaf502a64c9ce40254ead1f57c77e635d17fea064051ff53e
Manifestd2c11b9ad5705d47a7141e53525c42f058980e8469eb91a785840013c27d1938

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
SignatureHJ98Pmka5zWzwyZX908F616uDf6jlesd39aMR9Qt5pgfvwVyEJX8g1teMWu2gPrADUvC3JgTtpOHH7FxCayCBA==
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

2026-09-17T09:49:13.617908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087934
observed 903d5d977e0cdffdaf502a64c9ce4025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.599795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087934/manifest.json
observed d2c11b9ad5705d47a7141e53525c42f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.580464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087934/publication.md
observed 48c927eb0627e6ad93dd11075fe98602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:13.562989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087934/publication.txt
observed 7c67c003988d5404af8e2ac10f0ba623...
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.