OpenTechnical

OT-2026-000069087

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069087) never changes.

Identity and time

Publication numberOT-2026-000069087 · never reused
Internal UUID01a0ae90-6dce-761c-acff-2b0f1fadc216 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069087
StatusPUBLIC

Content hashes

Canonical text7c049835c9dcfce2be45a0a08b9a37ded5f1343db0a03e75dfc083505de8ed2d
Markdown37f4eede6d40e1b9f7a1c2606a98c8a9f491912eff167c36eff94719442dd1e2
PDF
Publication pagecc1337371ddbb1667a25be5de06dfcb708f1b13c6c9e82482c609d5d282e4f81
Manifestff12941bcbecdd86e980b1364c719995f26c49ee06e91115491a5224eaa5ee12

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
Signature5uYhwilljlCBM8igi+Y7Sbq1hc4MZ+bq6cJcMUjhlOVNkDJNGa1PcnU1X/QBEEHm+WIduTjya8Eihd8744GmCg==
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

2026-09-17T10:28:57.410007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069087
observed cc1337371ddbb1667a25be5de06dfcb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.392010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069087/manifest.json
observed ff12941bcbecdd86e980b1364c719995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.361372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069087/publication.md
observed 37f4eede6d40e1b9f7a1c2606a98c8a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:57.332259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069087/publication.txt
observed 7c049835c9dcfce2be45a0a08b9a37de...
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.