OpenTechnical

OT-2026-000086668

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000086668) never changes.

Identity and time

Publication numberOT-2026-000086668 · never reused
Internal UUID01a0ae9a-2c99-75a7-8cbb-4864aa8f025c · 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-2026-000086668
StatusPUBLIC

Content hashes

Canonical text31b12e8e7c8e78eb39621362c920e34be45518b7883639848fe9ee0ab2966e64
Markdown22da87111c24ec44aeb39ca8792a80f821617208da0fd2c2d2174417c0bb74f0
PDF
Publication page433d891eb3675cbd2a7b5c60f8d3d15deae77d1e4258704ff21743860ff5fb21
Manifest01f93a8e854bec7b60164c447e73034b074455ff2fa269aefaadd8fa96cec653

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
SignaturenTPA78uNfol+n1MIksDeJM4AKSJ6ONqgyE422uOmLrgRGqlVF/emucSozfC6CKn5E1ILtwIoQRpeD8u5WBqCAQ==
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

2026-09-17T09:52:31.877238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086668
observed 433d891eb3675cbd2a7b5c60f8d3d15d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.859392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086668/manifest.json
observed 01f93a8e854bec7b60164c447e73034b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.841820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086668/publication.md
observed 22da87111c24ec44aeb39ca8792a80f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.824868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086668/publication.txt
observed 31b12e8e7c8e78eb39621362c920e34b...
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.