OpenTechnical

OT-2026-000032952

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000032952) never changes.

Identity and time

Publication numberOT-2026-000032952 · never reused
Internal UUID01a0ae75-4843-7951-aa3a-9edb0ca19eb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032952
StatusPUBLIC

Content hashes

Canonical text2c43cfe0c91f8aabd1a29db54b381363e1f4661265ac2a91eecdb0f3f1e2eea2
Markdown4a65ba5169e370dd6cbca336d6c41a631cc248e8a427574513cf3887bbeac490
PDF
Publication page7d5b657d5d6f6fe466c8d81b47038c113828c2357f261979cab047e53c6da684
Manifestfe739fe28cfdc62d9e3737b7cefded797a30080a25961e8a4b23e6b0828df98c

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
Signatureb2OQXkgP4FlQG9+40I8QDP7nvF5PMUT55HRqtpLeqWINH37d5F48Zqo85i5eUovdqORHdUji9/DyWH4lO0PyAg==
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

2026-09-17T11:32:33.390739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032952
observed 7d5b657d5d6f6fe466c8d81b47038c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.371047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032952/manifest.json
observed fe739fe28cfdc62d9e3737b7cefded79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.354513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032952/publication.md
observed 4a65ba5169e370dd6cbca336d6c41a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:33.337144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032952/publication.txt
observed 2c43cfe0c91f8aabd1a29db54b381363...
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.