OpenTechnical

OT-2026-000023209

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023209) never changes.

Identity and time

Publication numberOT-2026-000023209 · never reused
Internal UUID01a0ae70-7267-7eb3-9c1c-e715f3d6147b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023209
StatusPUBLIC

Content hashes

Canonical textaa2b03b964701119f9bc480f1b1e94372ea90686ae0e33f5e8f26e3bb4bcc3f5
Markdownfd4906a3bec7f20d8033caf726570bb8757a1ca900ebb28638e70189674b922b
PDF
Publication page9037622362787227d55f83e38ffd28e2dce1e3685639ba7b7798fa28bb7a5a8d
Manifestedae021346851fe3720c2e0561b4b3f3aa5498d9af87df4ea412bc5d448a1daf

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
Signaturek61zP7EYesofVwXIJDFetrdHzJ+FZvE+fSRSWh07YANE1u8Mlu+oDIERVrvMsl/Lv1BWaqdtD23mgPU4OJE9Bw==
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

2026-09-17T11:51:09.989790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023209
observed 9037622362787227d55f83e38ffd28e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.973171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023209/manifest.json
observed edae021346851fe3720c2e0561b4b3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.956890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023209/publication.md
observed fd4906a3bec7f20d8033caf726570bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:09.937738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023209/publication.txt
observed aa2b03b964701119f9bc480f1b1e9437...
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.