OpenTechnical

OT-2026-000005373

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, plant vacuum fed

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-2026-000005373) never changes.

Identity and time

Publication numberOT-2026-000005373 · never reused
Internal UUID01a0a936-fd8d-73f1-98fa-4b03cfc254bc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:48.496089Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005373
StatusPUBLIC

Content hashes

Canonical text47fa6edb868a6c11535a745553f75dcf47ef75ab0d38035d91a10a97831a66cd
Markdown9b1abfe2c65937a6aa6fe395fcedf28d41614221f0fff142e5193d1846f2cb5d
PDF
Publication pagee2b3be1afa2506ebb39ade12b0d4b328c0dea410baa65fd3003762534eda0888
Manifest4c7e831fbe2cdb909e563cc468d199c823c79f9d16a96f0c515d59c1eddc81d0

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
SignaturegyCEe5MkXPVNwULpaNywGozw2h/QlZcrM7j4aukfED04pVLlNmsEgkaYITCObNFObJ+s7FdAy6Auz6pgZxhmAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:16.925462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005373
observed e2b3be1afa2506ebb39ade12b0d4b328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.910847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005373/manifest.json
observed 4c7e831fbe2cdb909e563cc468d199c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.896663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005373/publication.md
observed 9b1abfe2c65937a6aa6fe395fcedf28d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:16.883097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005373/publication.txt
observed 47fa6edb868a6c11535a745553f75dcf...
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.