OpenTechnical

OT-2026-000060913

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000060913) never changes.

Identity and time

Publication numberOT-2026-000060913 · never reused
Internal UUID01a0ae8b-12f2-7eaf-a882-d70b2c2b311a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060913
StatusPUBLIC

Content hashes

Canonical text59a568682f12395ad30385834be0a8bf3df211fceb3d57cf9b31a7b29499f36c
Markdowne35381b9553080710cfeda708505c5c67840d38f21dc01f043d6a59125b2d8ad
PDF
Publication page378d4a593dc7a9f2b30edd3f2acc3c9f6ef00fceac11afc71ed76fc1a37b9ad2
Manifest6cdd31bcd7c6429a3c61fd401b3e578801603c4a2cffa3c1c6e9945947872482

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
Signaturenq+P1n5V8o1y5q9gzKJENvNR2fx54YJWieCWtFhBucI3vZYIPffF6cv8BwrT0p+PQx8KCXTQ0LKW08TuiohpCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:10.732555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060913
observed 378d4a593dc7a9f2b30edd3f2acc3c9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.714107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060913/manifest.json
observed 6cdd31bcd7c6429a3c61fd401b3e5788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.695071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060913/publication.md
observed e35381b9553080710cfeda708505c5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:10.674007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060913/publication.txt
observed 59a568682f12395ad30385834be0a8bf...
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.