OpenTechnical

OT-2026-000079446

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000079446) never changes.

Identity and time

Publication numberOT-2026-000079446 · never reused
Internal UUID01a0ae96-0b91-7d87-aa00-c58474ec1d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079446
StatusPUBLIC

Content hashes

Canonical text22e2e9bcaabafffdba1decba32139febcb26a8c8fb806f8b2354636a6f46ca3d
Markdown7ba0f29a5e14f40e753aed79dd1cf9042c32648c718d84030d9d2ab547266022
PDF
Publication pagef55fc700755c859e98e0a5ba60ca56f48099ec1c58a210831714dd0a94660e88
Manifest59792bd24ffc12af59bd5281c15f3634f124ced0fc7b2fc6c22adf9f0f47008f

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
Signature6lsflkdMUE+lJwwYY7RAE5IK6Ae5eOu2XqcfHWpsU1Zc08K+9X+u4z0svC7i6eeX9YinuTTBP+ic4t2xyNoZBg==
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

2026-09-17T10:05:04.291301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079446
observed f55fc700755c859e98e0a5ba60ca56f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.271736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079446/manifest.json
observed 59792bd24ffc12af59bd5281c15f3634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.253833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079446/publication.md
observed 7ba0f29a5e14f40e753aed79dd1cf904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.235526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079446/publication.txt
observed 22e2e9bcaabafffdba1decba32139feb...
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.