OpenTechnical

OT-2026-000020034

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000020034) never changes.

Identity and time

Publication numberOT-2026-000020034 · never reused
Internal UUID01a0ae6f-1fb7-737e-a2bc-1fe0f3a7ad3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020034
StatusPUBLIC

Content hashes

Canonical texte2a66e92544d21584ddccb4d0754a82ce3d7577c03c3e262464cbd202d8ab7d4
Markdown0e3c42f4a225ee16b3e6116a6e1228ee0380522eb7c90c5d34fc01d41400d6b6
PDF
Publication page5ff9b6fccb8bb1ae54bce4f10db78b7391f2f7cecfa67ffaf6ea50f7987f3dca
Manifest06464dd33fa384a155decd03a0a538743efbf5f764bcb3a2b5e45cf26cc46abe

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
SignaturePHkgVL1g/4+p3Uuq9/LLZz+9oE5Ydt8Fo35Yiv50kDUIFrlOBo4Uvg7uiknE1HDhdOaRUPofD+DITr64eoKsAQ==
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

2026-09-17T11:58:17.433766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020034
observed 5ff9b6fccb8bb1ae54bce4f10db78b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.416621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020034/manifest.json
observed 06464dd33fa384a155decd03a0a53874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.399407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020034/publication.md
observed 0e3c42f4a225ee16b3e6116a6e1228ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:17.380674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020034/publication.txt
observed e2a66e92544d21584ddccb4d0754a82c...
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.