OpenTechnical

OT-2026-000037139

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000037139) never changes.

Identity and time

Publication numberOT-2026-000037139 · never reused
Internal UUID01a0ae77-7741-724f-bcb2-2ae388dc53a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037139
StatusPUBLIC

Content hashes

Canonical texte6b0697b1e4b68495d9f731b4bf78f477e14b51dbfc7d7e481a52ef5caf2c529
Markdown721a2c46583119db5d84cb81af9140593227783ecab65299be1af1e5ce948929
PDF
Publication page280df6b944d2073536d351fe074ae55cfea215d494257754b57d2165332a8425
Manifesta557db3792588de55d6691f278e862dfc4434663e395d617c513f28495cb8cf4

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
Signature1bbnwQf0r1YKuDEDvKcPkrY7rmBRIKhWgeg30jZOFsuBoJ08DoIgKQfjNU8pauGNBCF8kwyDf0cuQOK//s7HAQ==
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

2026-09-17T11:25:01.015088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037139
observed 280df6b944d2073536d351fe074ae55c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:01.000017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037139/manifest.json
observed a557db3792588de55d6691f278e862df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.983232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037139/publication.md
observed 721a2c46583119db5d84cb81af914059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:00.967893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037139/publication.txt
observed e6b0697b1e4b68495d9f731b4bf78f47...
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.