OpenTechnical

OT-2026-000012638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000012638) never changes.

Identity and time

Publication numberOT-2026-000012638 · never reused
Internal UUID01a0ae6d-5561-7f5c-b154-45d2ec802d09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012638
StatusPUBLIC

Content hashes

Canonical text498ababb93c75485fa1da3399b1b4bf0c440ddb680ac254b870497de0d9476fd
Markdown056c0cb815b78425065e644d4450d0c6216f3cf41f23845cff0f8407f551e1c8
PDF
Publication page22000acd2d812fd90f56be430d89a39e966537898fecbdf1977dd6bc25661c96
Manifest0a67cb55dc9c4e743a784dbd173ce1c67cfd2f1a4187a78c90f65c910a49e0a7

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
SignatureTN/yq0plrHUGt1O09JmcNc7WaXBACvb1mIuaLf6JbDBDbTk4Q5JvXFAezTe/SWTdGdEYz+mhB4Ax/NnwiA9GBg==
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

2026-09-17T12:10:16.105619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012638
observed 22000acd2d812fd90f56be430d89a39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.084857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012638/manifest.json
observed 0a67cb55dc9c4e743a784dbd173ce1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.064601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012638/publication.md
observed 056c0cb815b78425065e644d4450d0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:16.045513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012638/publication.txt
observed 498ababb93c75485fa1da3399b1b4bf0...
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.