OpenTechnical

OT-2026-000061801

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, vented 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-2026-000061801) never changes.

Identity and time

Publication numberOT-2026-000061801 · never reused
Internal UUID01a0ae8b-b8ac-7db8-a529-245352c1901e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061801
StatusPUBLIC

Content hashes

Canonical text4f04142a6ab55bc1ce9e5f32c849e54caa92795471b9e593445c186a1af50e64
Markdown7395924b30e342d82f46baeb41e88b069d243f4e916957c3e06937003d2c0eb8
PDF
Publication pagefc23184bce0ba2256e7c06fcfa0e00dfeeca3bb64132b0c64900784d83ebce8c
Manifest58c5f00e5a6358a34a7d9c780a073bd40976abf4c0db4760180d93f30ddfa067

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
SignatureAYwUIMyeBJQDVHhjwO0U0aPdUSbwu6dxNpNkctKu/R2uudlMpUoVRBxc3u7IoNUqiDv6+FlGBRNLJisYALINBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:31.479208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061801
observed fc23184bce0ba2256e7c06fcfa0e00df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.459848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061801/manifest.json
observed 58c5f00e5a6358a34a7d9c780a073bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.433294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061801/publication.md
observed 7395924b30e342d82f46baeb41e88b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:31.414984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061801/publication.txt
observed 4f04142a6ab55bc1ce9e5f32c849e54c...
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.