OpenTechnical

OT-2026-000061567

Publication integrity record

Two 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-2026-000061567) never changes.

Identity and time

Publication numberOT-2026-000061567 · never reused
Internal UUID01a0ae8b-7b44-7f4c-8a0f-0c33c51ac756 · 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-2026-000061567
StatusPUBLIC

Content hashes

Canonical text0894fbb2a62bf1a1f0555eb1aac96b06f9764d6760c7134fba41738725ce7ad3
Markdownd9140a874d07393ff67e5f49e650001d9b926e2c43da42895e19435e64915708
PDF
Publication page3dac55eef21a70f2365525f02795764d14d453981660b0afa1d8c9375fb1ad69
Manifest6b094487eca95849a786e0a72f086796243b9f92c8dbb372ae17404d0420da56

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
SignatureExZ2LgyU5ASLezToZFef9w43qwEmTwKL5+FnT3TFnQcH/6oFo4tMeBI3Ar4JiELO44tWwzDo8hjvA7tQGxqrAw==
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

2026-09-17T10:41:29.037646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061567
observed 3dac55eef21a70f2365525f02795764d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:29.017710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061567/manifest.json
observed 6b094487eca95849a786e0a72f086796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.997947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061567/publication.md
observed d9140a874d07393ff67e5f49e650001d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:28.978221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061567/publication.txt
observed 0894fbb2a62bf1a1f0555eb1aac96b06...
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.