OpenTechnical

OT-2026-000032545

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off 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-2026-000032545) never changes.

Identity and time

Publication numberOT-2026-000032545 · never reused
Internal UUID01a0ae75-106f-70a6-bc56-fda4964bf1f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032545
StatusPUBLIC

Content hashes

Canonical textf5bba0cefda9ee7c83fa7eec7d531d68e7e2ef5616d62bf79d3fad8855b8bcf4
Markdown74c1ffd8eadc7a53761b5fc4622ecf9cb4c9f3717e16be1e05e99ee951cb8913
PDF
Publication pageb8b14e2c11c1412e8568b3d2a909313abbcc7459e59fc87c68e1c4af87ba1653
Manifestcc442174d390f673ceab834750db83cc5161bbca39dd263e46698f37b75f0bbd

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
SignatureVTJ4BD4kyPXkUlXxPmxPjsAZCoj28njT/9hgVRoJzFjR9x5K9prRLDN5YrLwnjdZUczUsbIec6FFoFoMexa3AQ==
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

2026-09-17T11:34:06.617178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032545
observed b8b14e2c11c1412e8568b3d2a909313a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.598528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032545/manifest.json
observed cc442174d390f673ceab834750db83cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.581671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032545/publication.md
observed 74c1ffd8eadc7a53761b5fc4622ecf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:06.546301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032545/publication.txt
observed f5bba0cefda9ee7c83fa7eec7d531d68...
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.