OpenTechnical

OT-2026-000033337

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, pulsed 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-2026-000033337) never changes.

Identity and time

Publication numberOT-2026-000033337 · never reused
Internal UUID01a0ae75-8980-7695-b192-1ba25b8ae47e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033337
StatusPUBLIC

Content hashes

Canonical text350b6fc8c0981fd78999a13fc847c80ad08a0ba8dab2170c6dafd7efb4092109
Markdowna7ffb39a2269e79a4b10ba2f9d37a736e54ce4c7ae475d81b176fdb43993505e
PDF
Publication pagefb371cf891f77959a9e40bcfcd3ce90044c1d3e2d8834eed2babdce4de8200d1
Manifestb0817ee7f5ea497f825e7bda7b1a5570554d458ea2347ef7ece883dd603cdbac

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
Signaturenw2JUCDzKr6fZWaWE+lubi7Y06HyJM/HY8Ec3/2grFYzZvKM4lYJnlB+A/peQx1fr3/C3ZczZUlMaeh39TvdAg==
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

2026-09-17T11:32:05.585926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033337
observed fb371cf891f77959a9e40bcfcd3ce900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.564505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033337/manifest.json
observed b0817ee7f5ea497f825e7bda7b1a5570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.544770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033337/publication.md
observed a7ffb39a2269e79a4b10ba2f9d37a736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.523897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033337/publication.txt
observed 350b6fc8c0981fd78999a13fc847c80a...
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.