OpenTechnical

OT-2026-000069271

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000069271) never changes.

Identity and time

Publication numberOT-2026-000069271 · never reused
Internal UUID01a0ae90-b528-74d0-be8e-90f9ee9c2209 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069271
StatusPUBLIC

Content hashes

Canonical text3d9f5e255dde3975c81e3b9acba19a059b0ea7c0e1612edcd988a8859d61bd63
Markdown393a4d130b9fb7bef51c7e153ff6a68db763758098ff9217d83a3398144b05f3
PDF
Publication pageaa5ba2d1db106ca4d78f6d5c90054549d63fe1fc7682d6faf40498ff145ec979
Manifest76358fe595c504ab2617928ab7a5c0529d7844a96827ab65151083a71fba0193

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
SignatureOSonVePOw5LCNJUAJzn6Nlz3q5Q54sD3SMNIUm2z7bIERX1q01VLx6+hH4eLTTC7CQDjpYHik/q3NbJKqufCDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:21.271961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069271
observed aa5ba2d1db106ca4d78f6d5c90054549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.255430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069271/manifest.json
observed 76358fe595c504ab2617928ab7a5c052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.238903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069271/publication.md
observed 393a4d130b9fb7bef51c7e153ff6a68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:21.220433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069271/publication.txt
observed 3d9f5e255dde3975c81e3b9acba19a05...
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.