OpenTechnical

OT-2026-000047703

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000047703) never changes.

Identity and time

Publication numberOT-2026-000047703 · never reused
Internal UUID01a0ae7f-c41f-7da4-8494-d0482a7ccc86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047703
StatusPUBLIC

Content hashes

Canonical text76a50818dccc5b1ad790793593dd300628b522fdc0aafb4d4daf2dbc0d9dc53b
Markdown7b8af216e73e6e502c29d8cd037e47d16a77bcc443a1be13645198cc13963153
PDF
Publication page9599f299ea37927dacbf7859e90c17c6c57c07c0fba41f69c1a86b422e71329c
Manifest039651cbe0ab3ad694c4ffb9b22198730dd8f37581854be4887d4a88e8984ed3

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
SignatureGJ/RG6JsGZJytmxo+5v8ccWog00P2+MYhijXotnBTJOsZSfGidgJ5XJDUOTrmJ9af2AWzc4rxmgNWshyhh5LAg==
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

2026-09-17T11:05:33.669782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047703
observed 9599f299ea37927dacbf7859e90c17c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.650948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047703/manifest.json
observed 039651cbe0ab3ad694c4ffb9b2219873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.630039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047703/publication.md
observed 7b8af216e73e6e502c29d8cd037e47d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:33.608390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047703/publication.txt
observed 76a50818dccc5b1ad790793593dd3006...
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.