OpenTechnical

OT-2026-000031096

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000031096) never changes.

Identity and time

Publication numberOT-2026-000031096 · never reused
Internal UUID01a0ae74-3fb8-7d96-8e6d-b3f653953dd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031096
StatusPUBLIC

Content hashes

Canonical text79d9f2541e9f6acdb9e380a4d738ae08f178bcb4c98b005f9bc022c3e980422a
Markdownf59de08eaa71b12cad2bcfe41693c97bf08708cdeb81b546174da90680439bac
PDF
Publication page8b427b7818163326a50b643bef14a9bf3d6adc67cf8a047038001a92ac657217
Manifest4f29af7f09c37ccda168b7952a6ba098e3cfa3a656f69fad5d6f46e2b82fe6c5

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
Signature2H7mmoj3TB3j/oK7UeGEWTtqH/UbBkloql46LAZxROyiRYGPBBC5Trsk445+jDePs68AOHujYlsGYHDZj5HpAg==
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

2026-09-17T11:40:19.303208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096
observed 8b427b7818163326a50b643bef14a9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.279080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096/manifest.json
observed 4f29af7f09c37ccda168b7952a6ba098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.262272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096/publication.md
observed f59de08eaa71b12cad2bcfe41693c97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.243606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096/publication.txt
observed 79d9f2541e9f6acdb9e380a4d738ae08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.271193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096
observed 8b427b7818163326a50b643bef14a9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.252924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096/manifest.json
observed 4f29af7f09c37ccda168b7952a6ba098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.227937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096/publication.md
observed f59de08eaa71b12cad2bcfe41693c97b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.207111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031096/publication.txt
observed 79d9f2541e9f6acdb9e380a4d738ae08...
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.