OpenTechnical

OT-2026-000086515

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000086515) never changes.

Identity and time

Publication numberOT-2026-000086515 · never reused
Internal UUID01a0ae9a-2c97-71c5-8d00-0f389e297bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086515
StatusPUBLIC

Content hashes

Canonical text63019cd0f0852181b9104cb7dc47216c9cdacfb116d1d052f7515e07d07218fa
Markdown7f40c8b741f150613566abb43b4dc6cf9a5e3a771d80697906f2c8c792cc2d70
PDF
Publication page414d0fc68fb9931013565de805ea4a8f756622de64949e295fc9f7eb06d4d7f2
Manifestc5f63de7e81b8a7b3f17dd17e55020edee6b157184111b47c2cebed42f9c3ba5

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
Signaturee8q2CXLiytvh2OBrwGEAbC/yzeT2OMTNwRoLJwMo5cTS1MsYIFjvUM9HzUZbmWxKHVWv0Zy7LlKhIfWSkRScCQ==
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

2026-09-17T09:52:20.131927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086515
observed 414d0fc68fb9931013565de805ea4a8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.114304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086515/manifest.json
observed c5f63de7e81b8a7b3f17dd17e55020ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.097795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086515/publication.md
observed 7f40c8b741f150613566abb43b4dc6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.080974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086515/publication.txt
observed 63019cd0f0852181b9104cb7dc47216c...
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.