OpenTechnical

OT-2026-000011669

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000011669) never changes.

Identity and time

Publication numberOT-2026-000011669 · never reused
Internal UUID01a0ae6d-1940-7011-8c5b-59c7a0659604 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011669
StatusPUBLIC

Content hashes

Canonical textef0f9ed6e58885f7ebf009a0d114812d60dde9694a62958b0cc96bc893ea8d0c
Markdown5152e06b2480918ebc8ee37f352ab754fc4e50a19bc47e7433a0a2b2d8c041c7
PDF
Publication paged8845508e0d416fe710a340575d962772b0f60870f2f985401b06836b5c0abce
Manifest4a25d07ed8f8220dfd7d6ace43461f3456c1e3c5abffc1303cad18081cad35c2

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
SignatureHfFO4ZeB7Kbg5wj1hjCwqeX+Ml0uh/afW04LlMmvbLFpiCOdkea0kzY8NtC3q4pUYjrFO4BqbYWTjGLmk9mICw==
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

2026-09-17T12:12:15.741324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011669
observed d8845508e0d416fe710a340575d96277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.722344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011669/manifest.json
observed 4a25d07ed8f8220dfd7d6ace43461f34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.702924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011669/publication.md
observed 5152e06b2480918ebc8ee37f352ab754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.683696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011669/publication.txt
observed ef0f9ed6e58885f7ebf009a0d114812d...
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.