OpenTechnical

OT-2026-000013247

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000013247) never changes.

Identity and time

Publication numberOT-2026-000013247 · never reused
Internal UUID01a0ae6d-6fc9-74fe-8b4d-cf26a0321631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013247
StatusPUBLIC

Content hashes

Canonical text33f6120f7de40bf17405c133b44bdd0047d00723cbe8be11f80394f6fbfe8cf0
Markdown6c4e3dfecfa7a69285c0178805486f43caf9010c863f660cbbe66ace8a083459
PDF
Publication paged7e1cb75bd7a5ce68067297f4a6f6ce127484e4604c73ae871726d2ab1dd7502
Manifestd89124b1c6be944f963e4a47776fe9294d3addc30e83315992a0bb84fdc6b4fb

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
SignatureeDcceZ0022rqG2FIo8u4fae769o4JeKtNqX3BbkGrjSo01leDOhCol5njkoSiuGO2uDoy/HiVOsMxJlp8EqkCA==
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

2026-09-17T12:09:38.992471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013247
observed d7e1cb75bd7a5ce68067297f4a6f6ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.968443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013247/manifest.json
observed d89124b1c6be944f963e4a47776fe929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.948234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013247/publication.md
observed 6c4e3dfecfa7a69285c0178805486f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:38.928447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013247/publication.txt
observed 33f6120f7de40bf17405c133b44bdd00...
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.