OpenTechnical

OT-2026-000062857

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000062857) never changes.

Identity and time

Publication numberOT-2026-000062857 · never reused
Internal UUID01a0ae8c-94a7-7ac9-8d2c-ab8b70e7da5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062857
StatusPUBLIC

Content hashes

Canonical text57c5a67cdcfef6c25d7454f0688a2ef14f6fa89e6263588997bb47683cb9e142
Markdowned9c351d7fa79e2abe5062b97e90727fd1ac0d58921d7563d9e05c9cd04d6c59
PDF
Publication pagecadd9a08fc393e14104f6bcf379d5c2d622e6b696c7aec868190ab9303c530a1
Manifest7e68641e98aa3da5a43e2b3e69e02c644b64dee53af811d63237cbf6f1fb2942

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
Signaturesshxjfm/f4Fkv/2A2T5+63crFG433EvMjgvR24rP+Pll0rFU+ldRxaeP4uGdLc88lhXpbuS9zEel6+YoJcCvCg==
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

2026-09-17T10:40:12.345895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857
observed cadd9a08fc393e14104f6bcf379d5c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.324929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857/manifest.json
observed 7e68641e98aa3da5a43e2b3e69e02c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.304262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857/publication.md
observed ed9c351d7fa79e2abe5062b97e90727f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:12.283860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857/publication.txt
observed 57c5a67cdcfef6c25d7454f0688a2ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.307785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857
observed cadd9a08fc393e14104f6bcf379d5c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.290681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857/manifest.json
observed 7e68641e98aa3da5a43e2b3e69e02c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.272513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857/publication.md
observed ed9c351d7fa79e2abe5062b97e90727f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.255442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062857/publication.txt
observed 57c5a67cdcfef6c25d7454f0688a2ef1...
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.