OpenTechnical

OT-2026-000026408

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000026408) never changes.

Identity and time

Publication numberOT-2026-000026408 · never reused
Internal UUID01a0ae71-f4a7-72df-b079-dc96e7b7bc8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026408
StatusPUBLIC

Content hashes

Canonical text524014b0394525a62da504efd4e49c8ebe5e6084f67bf8d62f5e2b23470867a7
Markdownfa00712f6eff854135e4084a5e945246c3eac58c9ea5a9a900aa1a603c5ad188
PDF
Publication page1f623869623922dbef6952bf593b5c7da4b519cb91ad44480c0134049c1856aa
Manifest5d3eb803840b2fa2214d0a9c23642811d32f299779d33551c7d2ea6deaf51de2

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
Signature4UJnlgwJm5jPJxeThSafpVppgqvTnzZnAY2A05+QID4QZ4c08C/SuuB/TFR3qxPiPu4Mjjlg+DzSM45hnTEHBg==
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

2026-09-17T11:44:23.724673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026408
observed 1f623869623922dbef6952bf593b5c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.708429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026408/manifest.json
observed 5d3eb803840b2fa2214d0a9c23642811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.693048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026408/publication.md
observed fa00712f6eff854135e4084a5e945246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.676186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026408/publication.txt
observed 524014b0394525a62da504efd4e49c8e...
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.