OpenTechnical

OT-2026-000067509

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000067509) never changes.

Identity and time

Publication numberOT-2026-000067509 · never reused
Internal UUID01a0ae8f-6bd9-7bea-bbaa-6bfa92604114 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067509
StatusPUBLIC

Content hashes

Canonical textca6dbb4032af99e3898b18840e2b024838dccbbdbd0ae58efefcc382ee0a4db9
Markdown6eedc84e7686044bb95ca5063c2686edfa11cd229b9aedee8798c45bd0ddfb93
PDF
Publication page0ebbb023109f32eb2c4ad7930b42bdc21f58ea699441d26b878c7b62622d9d9b
Manifest0897ada8e570a4d87710dfebeddd7f8a6748e10ac0a37ba82d38cf93ea041be2

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
SignatureoRlz8CGXuXWBbyl2lj4hR6aoKXjyveSXDu1UD4qVXm3D/nmtoyaE0z5Qw9yWLV4HnDZjhaBngWN2T7f9xu5UBg==
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

2026-09-17T10:31:48.384478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067509
observed 0ebbb023109f32eb2c4ad7930b42bdc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.367442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067509/manifest.json
observed 0897ada8e570a4d87710dfebeddd7f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.350072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067509/publication.md
observed 6eedc84e7686044bb95ca5063c2686ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.332492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067509/publication.txt
observed ca6dbb4032af99e3898b18840e2b0248...
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.