OpenTechnical

OT-2026-000049984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000049984) never changes.

Identity and time

Publication numberOT-2026-000049984 · never reused
Internal UUID01a0ae81-fd77-745f-ad83-ff4926371e9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049984
StatusPUBLIC

Content hashes

Canonical text91c00d14f9834f7eb536557249f8c5fa328c9006619de4fa09e7c489a4a3f904
Markdown8cfa518e58348661583c35f0f79b5e5191b11ab18a32b2ab46fa065e56c3868f
PDF
Publication pagedfdca7fe42fce22c22a5233fc80c4858a54033defe04cec435a6f87ec07b5878
Manifesta488ef0463bfa658e659cc6ee9198757a726f37f549511eb18030425ce3c8457

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
Signaturec8i6/7Jyip/Y5TtB7Ot1DVGWqbkI0HLYOugv9DLAkg96jUG8HquHuOFduQWD4rs9TwfNj8y2V1ahIseJLGJADA==
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

2026-09-17T11:01:56.238678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049984
observed dfdca7fe42fce22c22a5233fc80c4858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.220391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049984/manifest.json
observed a488ef0463bfa658e659cc6ee9198757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.200167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049984/publication.md
observed 8cfa518e58348661583c35f0f79b5e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.180548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049984/publication.txt
observed 91c00d14f9834f7eb536557249f8c5fa...
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.