OpenTechnical

OT-2026-000075938

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075938) never changes.

Identity and time

Publication numberOT-2026-000075938 · never reused
Internal UUID01a0ae94-2a00-788f-8f27-e4bc8ef92c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075938
StatusPUBLIC

Content hashes

Canonical textf63f990a6de23ba694f7d6d6ab63ce2738594239d826e35bff6372e757c3d2f2
Markdownb9956f1b4c226937dd10385b241f2cf9efae3d0bbe1bcbc07d0777aee03cd4c7
PDF
Publication page1aa6dabd49be478ca659ecf19d808ef21737dfc1b1e7ab796d2f6f0ee151b02a
Manifest6068c65ae23cf9d982eee95e26f9e2c453fa1eaf525825ada31c138a25b870ae

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
SignatureKkwW4HcxNNU7SBzTU5vgw+w6pPwnAvibv6PvprMsB8jva9eGtBlQZPicbD9ntVPGWnOUGgunkochPxoIsb08Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:03.254335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938
observed 1aa6dabd49be478ca659ecf19d808ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.233462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938/manifest.json
observed 6068c65ae23cf9d982eee95e26f9e2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.215086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938/publication.md
observed b9956f1b4c226937dd10385b241f2cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:03.192359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938/publication.txt
observed f63f990a6de23ba694f7d6d6ab63ce27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.983502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938
observed 1aa6dabd49be478ca659ecf19d808ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.964979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938/manifest.json
observed 6068c65ae23cf9d982eee95e26f9e2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.946744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938/publication.md
observed b9956f1b4c226937dd10385b241f2cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:52.551595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075938/publication.txt
observed f63f990a6de23ba694f7d6d6ab63ce27...
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.