OpenTechnical

OT-2026-000033708

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000033708) never changes.

Identity and time

Publication numberOT-2026-000033708 · never reused
Internal UUID01a0ae75-a390-7229-b00f-f49572cd26f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033708
StatusPUBLIC

Content hashes

Canonical text924818669801045f695cc54da6199fbedc9ca1ce507bc90b6fe53cfcc3fbe1e2
Markdowna347ee39f4ef5484ffa6e05414bc2ca8f84bf27ef22be8c93b68e7386ff98c62
PDF
Publication page8251f9196abd56914fd3e477362a82ebc71218876bfacbfb386b710be0c5e3d5
Manifestc23e083bb22823d2d9ff268a959165f75b3ddc5b0b8e76df6af873e4e41d1731

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
Signature7aJsEvRr6WwvTCe7Du9lR7xGP0OXF4tJ7/OfOgJ1+3LIUGwAaA+IgMWZd1K2DJjxipH/TpIBYuZ8tdrguhu+Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:42.405689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033708
observed 8251f9196abd56914fd3e477362a82eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.385334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033708/manifest.json
observed c23e083bb22823d2d9ff268a959165f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.360781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033708/publication.md
observed a347ee39f4ef5484ffa6e05414bc2ca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.341875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033708/publication.txt
observed 924818669801045f695cc54da6199fbe...
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.