OpenTechnical

OT-2026-000018908

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000018908) never changes.

Identity and time

Publication numberOT-2026-000018908 · never reused
Internal UUID01a0ae6e-d522-7337-9d24-80e54f43a56e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018908
StatusPUBLIC

Content hashes

Canonical texte91e3f4d5c3b8fd23c5956635c3603264c23fced8c5e12cdc43737d61c71c750
Markdownf3806d9fd5531086cbc81c43ccb902580377b83e1e4ac7a79ebd30e8f1452a71
PDF
Publication page8350c7fc29c9a4e08853262f84fb2b44c75041b79f5d0179ca96fd731354794f
Manifest628cef9fd221c49ec7956d6212b2cbceb9efedac9272306c3965b0567b693903

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
SignatureWPAZaO/RJ8W7t5TIFtkr6Y++rdBAxDNI971EejP5QaQ0EuQmrl78RmIX+lsubHF5rrO8ti5BDfT4eFCGxO4wDA==
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

2026-09-17T11:59:33.917875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018908
observed 8350c7fc29c9a4e08853262f84fb2b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.901351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018908/manifest.json
observed 628cef9fd221c49ec7956d6212b2cbce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.886850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018908/publication.md
observed f3806d9fd5531086cbc81c43ccb90258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:33.868918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018908/publication.txt
observed e91e3f4d5c3b8fd23c5956635c360326...
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.