OpenTechnical

OT-2026-000042160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000042160) never changes.

Identity and time

Publication numberOT-2026-000042160 · never reused
Internal UUID01a0ae7a-5d71-77a8-b23b-1de19041f1cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042160
StatusPUBLIC

Content hashes

Canonical text039e94f97f7963c2aa7ae79cdb8fc057a059d4e8b567cbb4103914e8b05f8650
Markdowne3f3d144ef29ef53c83c566566a517192d953820f116b8e3cb92be8a79222332
PDF
Publication page730d21a0d8255dda444135c5d0140579d1b4475470fba3622eecbd934bb84e6b
Manifest227fc0c34b4950ab022bfe08b6414d1e47a918504245ac696616eeff25762fe2

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
SignaturexO6iqtw62z+DUy2mRmCsG/JHwAGsJaq5XZ3wNdZk5bUev4CGsW1iJuQz7pr97w9L4zf2KlKxQE3txPZT+gp4AA==
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

2026-09-17T11:15:43.049393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042160
observed 730d21a0d8255dda444135c5d0140579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:43.028943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042160/manifest.json
observed 227fc0c34b4950ab022bfe08b6414d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:43.010941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042160/publication.md
observed e3f3d144ef29ef53c83c566566a51719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:42.991530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042160/publication.txt
observed 039e94f97f7963c2aa7ae79cdb8fc057...
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.