OpenTechnical

OT-2026-000074217

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two 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-2026-000074217) never changes.

Identity and time

Publication numberOT-2026-000074217 · never reused
Internal UUID01a0ae93-7178-7406-90a6-4e643f47d692 · 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-2026-000074217
StatusPUBLIC

Content hashes

Canonical text265935c1d0d0776ecaeb71167db00c6edea7d8e825d0964f12cbd3ec531bf7f0
Markdown886bd8e845f7262aff3eaa74842c056e904a301d2dad26f1fb3242274a8fdec2
PDF
Publication page3ec5459a1b9c9f97f079cf0f5e508a5fc367ec00fdf6ce117016826c36744c50
Manifestc7bcec17a919cbe4efe9f3b8620b6072d17954f4271932a4c0596100efd2cd8d

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
Signaturecf4TC0bxm2ETmkjdK1F8uU2vTNNjSgmsOxlUTPJ8Cl0G5o0J+sIyCZKNQlcPU8uZGCyoagS1avdGkiiAdrmSAg==
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

2026-09-17T10:19:04.723827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074217
observed 3ec5459a1b9c9f97f079cf0f5e508a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.705906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074217/manifest.json
observed c7bcec17a919cbe4efe9f3b8620b6072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.687919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074217/publication.md
observed 886bd8e845f7262aff3eaa74842c056e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.670074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074217/publication.txt
observed 265935c1d0d0776ecaeb71167db00c6e...
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.