OpenTechnical

OT-2026-000029595

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000029595) never changes.

Identity and time

Publication numberOT-2026-000029595 · never reused
Internal UUID01a0ae73-5e22-78f5-b391-3d8d90581588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029595
StatusPUBLIC

Content hashes

Canonical text95464726bf09bda555eb5b2966c81070bdcc11fb0dcfcad1a628da1081b3d31e
Markdown8866554c89d7b2ec7903c29f971a33b2fb8656136a8acc563ee0766867e993c0
PDF
Publication page490ad149fd7a7b1c9903b75fc5743b6dfe9ec1cb53c01cbd77534704057fbea9
Manifest6995e03d8a411e063cfe8ce93c96596fb9095158749a71e917375c911635a44c

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
Signature1/tBhsG59toa6elzDsvq3jojTQ/6b3tRwjq1wNASCdf/NBlMr588vjCMU6IzEhW5/s0LiukqbVWkq+TTIEpHDA==
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

2026-09-17T11:39:17.749270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029595
observed 490ad149fd7a7b1c9903b75fc5743b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.732835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029595/manifest.json
observed 6995e03d8a411e063cfe8ce93c96596f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.714808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029595/publication.md
observed 8866554c89d7b2ec7903c29f971a33b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:17.697396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029595/publication.txt
observed 95464726bf09bda555eb5b2966c81070...
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.