OpenTechnical

OT-2026-000061828

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000061828) never changes.

Identity and time

Publication numberOT-2026-000061828 · never reused
Internal UUID01a0ae8b-b8ac-726e-8f45-21dcebb9d612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061828
StatusPUBLIC

Content hashes

Canonical text995a8758541d4a79c3e934be0ca94b63f2931b4297088297749f0b3b56993bb4
Markdown76e813c66b2346f004a552e9948b7eb83dc9a4713730900ede3fc8b530adad19
PDF
Publication page3195e2dd41a2920627f86d2e0f1e7e6031a6902b382ba8314c80d44402ddb2be
Manifest930e06e7bb5d2fea45024eef33a3481ae323ab9fd52c9e9046fbc81b49ada668

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
SignatureYYZ1duBhxBiedyOSntQDRcH4/cWXeIgiSyVDtNMBRDTxf6wtU6G7mgg3btwTxvAVclqUjDjOO8d0iwp3lFK2Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:33.965895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061828
observed 3195e2dd41a2920627f86d2e0f1e7e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.946546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061828/manifest.json
observed 930e06e7bb5d2fea45024eef33a3481a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.925880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061828/publication.md
observed 76e813c66b2346f004a552e9948b7eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.904323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061828/publication.txt
observed 995a8758541d4a79c3e934be0ca94b63...
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.