OpenTechnical

OT-2026-000100239

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100239) never changes.

Identity and time

Publication numberOT-2026-000100239 · never reused
Internal UUID01a0aea3-3053-7f05-bd05-cfc1ecff053c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100239
StatusPUBLIC

Content hashes

Canonical text40bbd50c19d6f34c6dc2ba6071df26894d8281a239632450913dba8b04acce29
Markdown7e6af4c8af54e6de344cfaf7c5765b5b5eec4bb2a6f7e12107a6b3556d5e368f
PDF
Publication page20674d8dadb433b4f8a17f933058daa7d32a80dc690d654be65aae9b43439bcf
Manifest993c7ac6d149fcf86c06bd3ed1c816af7b804a2bcb41008090ddd69e41931f4f

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
SignaturePK4/25v3njSOk6yaZGNeFC53DNbGRFOVUq/S6/2lEp5pWzyVpUGgYzVaJQYldXM1424IXvzmixa7cnjqcWbtCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:02.280438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100239
observed 20674d8dadb433b4f8a17f933058daa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.263347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100239/manifest.json
observed 993c7ac6d149fcf86c06bd3ed1c816af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.247748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100239/publication.md
observed 7e6af4c8af54e6de344cfaf7c5765b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.228998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100239/publication.txt
observed 40bbd50c19d6f34c6dc2ba6071df2689...
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.