OpenTechnical

OT-2026-000100240

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100240) never changes.

Identity and time

Publication numberOT-2026-000100240 · never reused
Internal UUID01a0aea3-3053-7ac4-912e-25ad06aaf3a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100240
StatusPUBLIC

Content hashes

Canonical textdb3fc01015b4a2a8ef2016f4b1f77f879d35dd3d869fee7c3c1b23550d3ba219
Markdown088807c343259648ec2cb5be67d0cdad2db7d5bf73d53778c8ae8e102148547e
PDF
Publication pagec705f7f134c8f9d6f7d210ec429a5e91b5d03cd8dc3bda8d92ae4001d81f7b38
Manifesta49d61f6664c13899e485ffe4636a0123494ad22735c89124c3c8a7edeb075d8

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
SignatureDPAIi8C9w46wLwVKCaZ4bYpwePHaD75H9WmBWCV4XynFI5Dgh16WPI1lvOonnmaUKY9PVRH30Pwrw1MPXO/rAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:02.365764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100240
observed c705f7f134c8f9d6f7d210ec429a5e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.346455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100240/manifest.json
observed a49d61f6664c13899e485ffe4636a012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.326583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100240/publication.md
observed 088807c343259648ec2cb5be67d0cdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:02.304473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100240/publication.txt
observed db3fc01015b4a2a8ef2016f4b1f77f87...
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.