OpenTechnical

OT-2026-000017515

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000017515) never changes.

Identity and time

Publication numberOT-2026-000017515 · never reused
Internal UUID01a0ae6e-76ca-7d8f-b83e-fe7b7def2010 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017515
StatusPUBLIC

Content hashes

Canonical text4b523a87e27765650a0574a85df35108f5813cd6741bb857b8971afaefde5f61
Markdownec3fecb29a6e00f70587f6d0ee884d53f4ad50c99fd16980ab3638189ea80de1
PDF
Publication page5db84f6747b5f1bddd88d3d9f1d232b7f1e5c51c5a02af88c0e930c0dfb36807
Manifeste28a9630f8449948ed37b993fc561430aae32dd85da93a0784aa234ed90c86b8

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
SignaturePD6LCDcN6qvAVrC++qmV2YYQhY0ceAIKtcfWBxU/BVKGA1YuTQYnXI1lrj1bTIcTfJo00bbradwi2nWixD9rDg==
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

2026-09-17T12:02:40.335600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017515
observed 5db84f6747b5f1bddd88d3d9f1d232b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.318675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017515/manifest.json
observed e28a9630f8449948ed37b993fc561430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.302355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017515/publication.md
observed ec3fecb29a6e00f70587f6d0ee884d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.285958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017515/publication.txt
observed 4b523a87e27765650a0574a85df35108...
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.