OpenTechnical

OT-2026-000023681

Publication integrity record

Single cup vacuum gripper, three stage ejector, sustained 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-2026-000023681) never changes.

Identity and time

Publication numberOT-2026-000023681 · never reused
Internal UUID01a0ae70-aed4-71a5-b64d-e450336df8c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023681
StatusPUBLIC

Content hashes

Canonical text5270bda4c022a344f797e5f334171903080ea3e1810b152f01e13ad4774622d9
Markdownc3ec406700995671d1a997991c6eac8e1f335be285bab543a5c19820439d6a84
PDF
Publication page9a79d61a4269bda028319a90e47c2e38c715fe7f1b298c0202ed11a23221493d
Manifestda796226d4a8ce11ef3d5abb781de058fc7b80d096a239d9bdecf005ec21da34

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
SignatureZ958+nar9nyO/NnGO0Gvc0GIHSrSZaYiyMdo7+17W3t6txd2zFpb7ZZjT/8mtWhYWxuxhPGiQSEHyAh7xflHDw==
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

2026-09-17T11:50:00.305367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023681
observed 9a79d61a4269bda028319a90e47c2e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.282064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023681/manifest.json
observed da796226d4a8ce11ef3d5abb781de058...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.261599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023681/publication.md
observed c3ec406700995671d1a997991c6eac8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.242696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023681/publication.txt
observed 5270bda4c022a344f797e5f334171903...
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.