OpenTechnical

OT-2026-000033700

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-2026-000033700) never changes.

Identity and time

Publication numberOT-2026-000033700 · never reused
Internal UUID01a0ae75-a390-7eef-9a2c-57fcc4138201 · 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-2026-000033700
StatusPUBLIC

Content hashes

Canonical textfaea35e8bc09f886413c6b7dcbc70968a1a79d580e785cfc7d847543d9254c10
Markdown09033964d66d556de805f711e0479a86771c7fda5482d017467b2007c26289a8
PDF
Publication page8a986ce413738dfd8fe662aa894a9aef60a861544bd4e42662ded6ba5587c47a
Manifeste3775934d0306cd78000fa2db6139c8ba23070cb9e9b4ffd7151797a3d8668ee

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
SignaturebUZdY3yP3mVYAwE7koVQk9qmqBr4CkGNOqqntMAl1iFLm9NyJvh8LR1hX9TAMNp5zPK+WKQpklkkhcj9nqSZCg==
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

2026-09-17T11:31:41.796067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033700
observed 8a986ce413738dfd8fe662aa894a9aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.779410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033700/manifest.json
observed e3775934d0306cd78000fa2db6139c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.761650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033700/publication.md
observed 09033964d66d556de805f711e0479a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:41.743395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033700/publication.txt
observed faea35e8bc09f886413c6b7dcbc70968...
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.