OpenTechnical

OT-2026-000063663

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single 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-2026-000063663) never changes.

Identity and time

Publication numberOT-2026-000063663 · never reused
Internal UUID01a0ae8c-f946-7884-86fd-3c03798a8609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063663
StatusPUBLIC

Content hashes

Canonical text71493be64613d9760936eac8eba43994e70da1cde3350b6f24d90395fb7a53c7
Markdown0b3f48d22a6714f0e59194922b4f6befa6c5961911e0ec7564ea18abec5197e8
PDF
Publication page6f55b612940ccfd8c959f5a54f4c6d54041d662f42c6dd2c75dc2546b8b98e53
Manifestadf9a4a9a07b5180de3dc3fb79720524198a3c3fb912b483f5142fadc6504e8a

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
Signature6TXrzMHeMRN4vvOGG2/1QUW4i7aCs6YXK5VdTc8uvSWW/pRM1wyhoegfyq51dti0CCZQy0cs5bj70z7sGtLKAQ==
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

2026-09-17T10:37:46.430110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063663
observed 6f55b612940ccfd8c959f5a54f4c6d54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.414091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063663/manifest.json
observed adf9a4a9a07b5180de3dc3fb79720524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.398419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063663/publication.md
observed 0b3f48d22a6714f0e59194922b4f6bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:46.382689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063663/publication.txt
observed 71493be64613d9760936eac8eba43994...
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.