OpenTechnical

OT-2026-000088446

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000088446) never changes.

Identity and time

Publication numberOT-2026-000088446 · never reused
Internal UUID01a0ae9b-5d27-765e-abab-7f2d23b33e07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088446
StatusPUBLIC

Content hashes

Canonical textaeeeb5562a53ed8bbc241cabf3e6809819033a75f26a61cd84a73461c1ffd214
Markdownafed7c81c675fefecf93d65df2d850e54026ac0602b8572ed51cbac409bd79e2
PDF
Publication page7cef005baa9296b5b859369515d715e96baa057530386da0a3eb6869e310c51c
Manifest80e24b15bd4a8253f09f9778e365a554f3dc1d5acf54844aa822bdafd05e7232

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
SignatureFgp10jdBrjAvsaieWKZ+jqn7dypocd5EqZ1JI09+228wm1CrcKu3cVQL34pIubyDxLKvDIWGvgkKUTeZxMFgBQ==
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

2026-09-17T09:48:49.447240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088446
observed 7cef005baa9296b5b859369515d715e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.431267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088446/manifest.json
observed 80e24b15bd4a8253f09f9778e365a554...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.411088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088446/publication.md
observed afed7c81c675fefecf93d65df2d850e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.393324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088446/publication.txt
observed aeeeb5562a53ed8bbc241cabf3e68098...
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.