OpenTechnical

OT-2026-000047275

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000047275) never changes.

Identity and time

Publication numberOT-2026-000047275 · never reused
Internal UUID01a0ae7f-3e56-7c06-86ca-2b933ad6d4ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047275
StatusPUBLIC

Content hashes

Canonical text244679953b9853bde486f3aa9cccf7af699f2040aad27505e93862156d0b9da4
Markdownf8db9257012564a6f11d376009e28867bd8eb982b94f73083ad77cffba8e7542
PDF
Publication page3e0fb8f8f063364da2c6ce2aff72df8f1bd032c8442900dc54b5d856661ea414
Manifest73225529b08eab7c4d9ae5b07687c332febe443a0aaf0bbf4101dfebd00d4f5d

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
SignatureBG1YaGftIN9TZybDmmGUc7G22mIeTvCXyXCu0rEFzyKJLtRwJm+IqzQWpGuJW9oPKFwHr9JmIQchJV5lxBdLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:14.546456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047275
observed 3e0fb8f8f063364da2c6ce2aff72df8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.525359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047275/manifest.json
observed 73225529b08eab7c4d9ae5b07687c332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.506880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047275/publication.md
observed f8db9257012564a6f11d376009e28867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.489653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047275/publication.txt
observed 244679953b9853bde486f3aa9cccf7af...
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.