OpenTechnical

OT-2026-000051859

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000051859) never changes.

Identity and time

Publication numberOT-2026-000051859 · never reused
Internal UUID01a0ae83-7c84-7556-9c0e-9c6219dd91a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051859
StatusPUBLIC

Content hashes

Canonical textef4542c6ab3903ed15d6361f482fed1bee372dd34f2e74a1bc5c928f9d491420
Markdown64eb50a20cf6693f41717006dfdd5681364a32bea90d5e27c815dcb5150d4b99
PDF
Publication paged7fb49ec92ca17d6e21397ccaf21d6c85e64a104b2cc9aa3c5478e81a6225027
Manifest23d69f921bbc1115b5b02c37e7af6eb40ecf342df01e8293657aa20641145dfe

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
SignatureO9SVIdruUvtmAHVIWyCE11Xfj5oA8SvMJRy1GtMPywjfbG5kmuRAjQaPwRTVUfU7oq9eN2lBE8rx/5FrzqeEDg==
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

2026-09-17T10:58:47.522079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051859
observed d7fb49ec92ca17d6e21397ccaf21d6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.504924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051859/manifest.json
observed 23d69f921bbc1115b5b02c37e7af6eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.487447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051859/publication.md
observed 64eb50a20cf6693f41717006dfdd5681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:47.469888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051859/publication.txt
observed ef4542c6ab3903ed15d6361f482fed1b...
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.