OpenTechnical

OT-2026-000056488

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000056488) never changes.

Identity and time

Publication numberOT-2026-000056488 · never reused
Internal UUID01a0ae87-7af4-7feb-8e3a-2078be16a1a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056488
StatusPUBLIC

Content hashes

Canonical textd0b5dfc30e10aa29294fc4032b389c0d70d007e6a400e49cb3ce055becc59151
Markdown33375cf5ae5672fc1cbad1b36b02b5fd2b5d2ec86f7ffd0777a707910c6e41f2
PDF
Publication page37690442db949a7875a567e2365f005bf8ddad56eb80dbfcf98ba83a580c76a9
Manifest423d020501679f7967979f74cd3ea5cec8c3db6e49a9fcbf5f50a0d81455fd3c

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
SignatureRsNKmL630oIJxCaQod5JlP1LAG4PgcUuz5W7StPCpi9cK4RAqEXMvk0yqbclOG3Dn4Ex2XLbSJn+ujzVihYJDQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:48.000764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056488
observed 37690442db949a7875a567e2365f005b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.984225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056488/manifest.json
observed 423d020501679f7967979f74cd3ea5ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.968137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056488/publication.md
observed 33375cf5ae5672fc1cbad1b36b02b5fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:47.951824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056488/publication.txt
observed d0b5dfc30e10aa29294fc4032b389c0d...
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.