OpenTechnical

OT-2026-000069929

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000069929) never changes.

Identity and time

Publication numberOT-2026-000069929 · never reused
Internal UUID01a0ae91-1860-7950-a864-d69d92d1f436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069929
StatusPUBLIC

Content hashes

Canonical text4ddf622c6833bd858908babf5c50f563768847ca980c85dd9869114bc75fb1fa
Markdowna87bb4c8f75e987dd426427c02d28562a1e2b7078d6a0bfc788afcd5f20b7f05
PDF
Publication pageaae7d498c07c4e73cb801fbebd7f91c2ddbf31db44811ecd9d030ca18f9bb7b5
Manifest395937c3d6f6d7820b68d38b649fec994c9cf0abc64d3559780f0b02413d0f7d

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
SignatureT6yecFzFSkP7UeyYaD2OxWY1Zclj9wHVhXZ+3vkwPjkIKx7O7+AwvbNGt1msC1n9wibL64kglIj5s7/YBszYBg==
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

2026-09-17T10:26:52.102503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069929
observed aae7d498c07c4e73cb801fbebd7f91c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.084996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069929/manifest.json
observed 395937c3d6f6d7820b68d38b649fec99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.068113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069929/publication.md
observed a87bb4c8f75e987dd426427c02d28562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.050728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069929/publication.txt
observed 4ddf622c6833bd858908babf5c50f563...
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.