OpenTechnical

OT-2026-000030003

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000030003) never changes.

Identity and time

Publication numberOT-2026-000030003 · never reused
Internal UUID01a0ae73-ac49-7bef-b9ce-4592050aff1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030003
StatusPUBLIC

Content hashes

Canonical text867369474fa7700073bc5218bd816c8fb67b7ebe44d1baf6043caa9278012e47
Markdown42c4a1a3de000148f263855393a14dcc9ec551dbe9a6fbe722eac2ed68f9747b
PDF
Publication page2cbe359b8d439335db96cd2cf2d5f57c16e21a8702816760cf3de9e06d198678
Manifest784452ac8cc1d5e0ee25b63c09f9d34754b118852c0b830f7e4dc533cf96a572

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
SignatureK6YqCsVngfUOVsvDR8kjfnAw5jNMkG7EhCI8vsvFEz1seNIGewMsonEZJpPN2uTS95wSGZSuuDlKSkvCsRnOAw==
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

2026-09-17T11:38:43.936664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030003
observed 2cbe359b8d439335db96cd2cf2d5f57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.920356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030003/manifest.json
observed 784452ac8cc1d5e0ee25b63c09f9d347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.904355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030003/publication.md
observed 42c4a1a3de000148f263855393a14dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.887891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030003/publication.txt
observed 867369474fa7700073bc5218bd816c8f...
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.