OpenTechnical

OT-2026-000061523

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061523) never changes.

Identity and time

Publication numberOT-2026-000061523 · never reused
Internal UUID01a0ae8b-7b44-7720-b54c-1cfec701890f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061523
StatusPUBLIC

Content hashes

Canonical text73157a3c799121a0d32158e96dedfe2b9e7e7afdae24b60d9623b4691a6c9fce
Markdown6e5e31335b62de43e9fb0b2ab38ab89319046534df57c742bc5dae739b1002ae
PDF
Publication pagedfb4a24f7c845af79d28e14fb71dc6f98d7f657a59135d79c163ce9ee0e015fc
Manifest3901a7106fd21896512d3c0428c68dbcfdf1d51981cb4cdd346d623772eb35d6

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
Signature58+ZMHUHDaoVyHjjz/zXFmKAqDsD0XH2siexpGxocfXzHDF6PiG5gcAX+2yKSxo0TybGYf4744nq9LCOYRMYAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:25.647859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061523
observed dfb4a24f7c845af79d28e14fb71dc6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.630420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061523/manifest.json
observed 3901a7106fd21896512d3c0428c68dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.611234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061523/publication.md
observed 6e5e31335b62de43e9fb0b2ab38ab893...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.593329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061523/publication.txt
observed 73157a3c799121a0d32158e96dedfe2b...
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.