OpenTechnical

OT-2026-000063919

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000063919) never changes.

Identity and time

Publication numberOT-2026-000063919 · never reused
Internal UUID01a0ae8d-53bb-7766-a395-b5535ed19acd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063919
StatusPUBLIC

Content hashes

Canonical text58b794312c13348174d15ca8fb7c6c7a63e10d8d4520d42aed7b1b5bfa31de6f
Markdown4c4a4e3b5034f8e79f5971bc467b24aa7498548c982025b70ceb579a15cf8668
PDF
Publication pagef2e164bad46c03e564a2e79f92400470a0e06782f4b9def98d1306b00987a827
Manifest1383494ba2ca69ce7c8da7d0d845c40296a7c3a966fcc875d9efcc3c16b60ad7

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
SignatureMM1XH+0mcqy4iN+Kkg4a6XIrzMVM9q3H5hOuhEsKGY7WPAWzOtl85Bz9JZZRuJoSreQykryB6GAPqv2pmFzUBw==
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

2026-09-17T10:36:58.228822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063919
observed f2e164bad46c03e564a2e79f92400470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.211079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063919/manifest.json
observed 1383494ba2ca69ce7c8da7d0d845c402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.192482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063919/publication.md
observed 4c4a4e3b5034f8e79f5971bc467b24aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.174308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063919/publication.txt
observed 58b794312c13348174d15ca8fb7c6c7a...
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.