OpenTechnical

OT-2026-000067396

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off 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-2026-000067396) never changes.

Identity and time

Publication numberOT-2026-000067396 · never reused
Internal UUID01a0ae8f-6bd8-7a4e-9047-32a08ca4259e · 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-2026-000067396
StatusPUBLIC

Content hashes

Canonical text22e45078e6dcbb93672391ed6656db2b7f2e683829b0300585953671396d9bce
Markdown88e179689e604ee09839188e0bdb873b2a026696859304434be01befdae8b66a
PDF
Publication pagee03690b813e99926112d11115590f872c001e3c760f4de97ad43cc4e1f30c290
Manifest28babb2f318a1f66ec70b7930ddc540c66de8b9ced3cdfd385e2d2785b6018eb

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
Signature+XdXaPh+qgbu2lwcUdWniBVRrwYLajZ3dNeBGILhlcfw1xs80BPd/f5f+sFSa/XDwDEZIQiWA/8Jmr4E3hEoBA==
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

2026-09-17T10:31:35.324634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067396
observed e03690b813e99926112d11115590f872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.305963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067396/manifest.json
observed 28babb2f318a1f66ec70b7930ddc540c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.290547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067396/publication.md
observed 88e179689e604ee09839188e0bdb873b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.271552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067396/publication.txt
observed 22e45078e6dcbb93672391ed6656db2b...
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.