OpenTechnical

OT-2026-000099089

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000099089) never changes.

Identity and time

Publication numberOT-2026-000099089 · never reused
Internal UUID01a0aea2-8287-7cd2-bd35-6df20f1a14d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099089
StatusPUBLIC

Content hashes

Canonical text7997b2c590e70efed32ca1bf40ca1eb1dc6e60004837795a765c0b9af5e78147
Markdown7db98372a46223cbaf1b5eab2cec078dbf9cd9fc9e6202a865e1b2d5ad14d08d
PDF
Publication page7b13856cfb14017d063dbec1c664bebaf406102868f6c4ddf00caa330ecdb628
Manifest679e213aceb12ee8b6f981242532ff354a99874a7645ea50dd62c4f098b47dfa

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
SignatureLEgnmjRt1eM12lFs3CgVj1T90nWw1z/N0wkPoaUW4CuVdmHVFC++1cai6v2AJ8zP5oGhhtd2k4lSRjWi6ivtDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:19.500497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099089
observed 7b13856cfb14017d063dbec1c664beba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.482959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099089/manifest.json
observed 679e213aceb12ee8b6f981242532ff35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.465307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099089/publication.md
observed 7db98372a46223cbaf1b5eab2cec078d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.448112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099089/publication.txt
observed 7997b2c590e70efed32ca1bf40ca1eb1...
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.