OpenTechnical

OT-2026-000061284

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000061284) never changes.

Identity and time

Publication numberOT-2026-000061284 · never reused
Internal UUID01a0ae8b-1384-7298-9dc3-5b2f6ff1b777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061284
StatusPUBLIC

Content hashes

Canonical text7d06c06692cb40d2a86a516ee9a4c3999b7144275b4a98b5735b037f9b096feb
Markdown79ec772552e2bf4735ed505f7033742a24370c1c3cfe0f25b645cb20044c8924
PDF
Publication pagef9a4679241d5a5ce8923b59bcd6b5967890fdf223b29be1e3ca31cb69fb24e60
Manifestc4772287643eb26b729e495a46a01690fd5703a478339cde97921aa71a18f602

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
SignaturehUDlmhazjCjehAHeUOo1FzNv9AgK6rjNTfGuy1/tq7PJ6Fie5KPd52OoejNIJPweQVlXyfxZkYCui8DiXTxUAQ==
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

2026-09-17T10:42:42.472324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061284
observed f9a4679241d5a5ce8923b59bcd6b5967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.454262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061284/manifest.json
observed c4772287643eb26b729e495a46a01690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.435109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061284/publication.md
observed 79ec772552e2bf4735ed505f7033742a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:42.417224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061284/publication.txt
observed 7d06c06692cb40d2a86a516ee9a4c399...
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.