OpenTechnical

OT-2026-000088219

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000088219) never changes.

Identity and time

Publication numberOT-2026-000088219 · never reused
Internal UUID01a0ae9b-1aa8-74a1-9211-be0cca09228b · 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-2026-000088219
StatusPUBLIC

Content hashes

Canonical textfd6ab2695f3cb997db4e7bf8544cbc036d2d3ab975c7a9b895764a8313867697
Markdown44a8e2640a39d2f13b4ad054a3998af20b30a7693b182f221bdd3160c550936d
PDF
Publication paged001251fda0e5d9444dc18b0f73c8f7856fb90a89033aaf434f47151235b954b
Manifestf3f14de34cf3e06fb6b878a980c753d07cddeff1cb5b9d16efcc1b14ca417010

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
SignaturetKm1hU0FzRaq4vJmR6+PDnCTPFAoK2xGXKmFGEn9P9lqfs6rpSfYNufMoEzox6vnlmoJ1iQ1NNzZ0eC0gb7fCw==
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

2026-09-17T09:50:16.403595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219
observed d001251fda0e5d9444dc18b0f73c8f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.383573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219/manifest.json
observed f3f14de34cf3e06fb6b878a980c753d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.361153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219/publication.md
observed 44a8e2640a39d2f13b4ad054a3998af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:16.345289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219/publication.txt
observed fd6ab2695f3cb997db4e7bf8544cbc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.836355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219
observed d001251fda0e5d9444dc18b0f73c8f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.816857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219/manifest.json
observed f3f14de34cf3e06fb6b878a980c753d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.797498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219/publication.md
observed 44a8e2640a39d2f13b4ad054a3998af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.778302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088219/publication.txt
observed fd6ab2695f3cb997db4e7bf8544cbc03...
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.