OpenTechnical

OT-2026-000063680

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063680) never changes.

Identity and time

Publication numberOT-2026-000063680 · never reused
Internal UUID01a0ae8c-f946-72c0-9ca6-c46c69d5a20d · 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-2026-000063680
StatusPUBLIC

Content hashes

Canonical text94b89f395d0bceeade953d1f166488d959d3977d70cb817cb26d86a30996f902
Markdown5ce43612b71c58d24738789653c31a86a8e49951520da864e328d3de28515a3c
PDF
Publication page40f8888c3f741f2d07ae66de95c80d5c949e99a850f266c792d8707a298a3afd
Manifest6f3c0bb6db90f5ffd2ad74320ca2235c1c2b9e3d81a6dfeb9622e8184dcb19a3

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
Signature+CKBzGIDbHIdY75ZgrpaTZk0C4xktVPgM8e8GtZCgsynTSRZtKjtvR7NFtzJ1rirUfFbYItgrYRv/V35iungCA==
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

2026-09-17T10:37:47.758888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063680
observed 40f8888c3f741f2d07ae66de95c80d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.741968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063680/manifest.json
observed 6f3c0bb6db90f5ffd2ad74320ca2235c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.720762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063680/publication.md
observed 5ce43612b71c58d24738789653c31a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.704170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063680/publication.txt
observed 94b89f395d0bceeade953d1f166488d9...
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.