OpenTechnical

OT-2026-000074361

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000074361) never changes.

Identity and time

Publication numberOT-2026-000074361 · never reused
Internal UUID01a0ae93-7179-7bc3-8510-c870d36ba608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074361
StatusPUBLIC

Content hashes

Canonical text522562a65e696c8f10b194b21b7fd9f0e3574cacd1ac964ec24934c3a8a4cd3e
Markdownc6225d2dda7f07bbb4c629d0688a0d3cd638442058b8b2d8d26f9dc3002a4615
PDF
Publication page06838293e30b38a7215a4bedfb3e9255f1cafd4e17abcfef667c4405ba91c447
Manifestb2188959591e428f5c476bdf794bc69cd8b3b60143d7916472b1c30a1f91d457

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
Signatured/RnmSx7fy3cpCIOHoXrgSPJCY0FahzWG0dtHtbpP7Ll585QG7KYGfaF5tCQLQyO9lXyH0Z+cS8UgS5p8H0oDw==
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

2026-09-17T10:19:17.246075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074361
observed 06838293e30b38a7215a4bedfb3e9255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.228355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074361/manifest.json
observed b2188959591e428f5c476bdf794bc69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.210169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074361/publication.md
observed c6225d2dda7f07bbb4c629d0688a0d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.191282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074361/publication.txt
observed 522562a65e696c8f10b194b21b7fd9f0...
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.