OpenTechnical

OT-2026-000089914

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089914) never changes.

Identity and time

Publication numberOT-2026-000089914 · never reused
Internal UUID01a0ae9c-428d-724d-9f37-3a12573fc58e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089914
StatusPUBLIC

Content hashes

Canonical textfec0fbd8bd48f51f2c624cb4cc697723b6b39ae221a8f22731dcae6b76bb24e9
Markdown47d09283d8064e2451d8b1e7917f50bc1c1319a005866bd2f29b6000f3f10573
PDF
Publication page76491041d2d12c4aa132a2b379c95fcae7cf5a4dabcddc060a9e323c78392de9
Manifest50aef4818de7a87d5d0ceb0a6578a52bf54b62290f4fcb47732d3dbafba95527

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
SignaturetNcy+WU+0U4FYAFEmmmfymM4yendgxtN9HE8Hynrua1D8jUpbJTFsJJfkI0nBDy3r34ayLzMcqL6bl2VHO5uDw==
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

2026-09-17T09:45:11.047861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089914
observed 76491041d2d12c4aa132a2b379c95fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.030172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089914/manifest.json
observed 50aef4818de7a87d5d0ceb0a6578a52b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.012706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089914/publication.md
observed 47d09283d8064e2451d8b1e7917f50bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:10.992764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089914/publication.txt
observed fec0fbd8bd48f51f2c624cb4cc697723...
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.