OpenTechnical

OT-2026-000013591

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000013591) never changes.

Identity and time

Publication numberOT-2026-000013591 · never reused
Internal UUID01a0ae6d-6fcb-7e64-a958-be56670f43e4 · 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-2026-000013591
StatusPUBLIC

Content hashes

Canonical text544e674c78ec183f86dc88df98cb5bdf4bf3cddb0057baf0f3488d5a27ceaa90
Markdownce4fbf9c1415b2f91701dbc5f68419fd75fc2302a3bd94bc879899d831fb8974
PDF
Publication page26e80c858ffa82ae78595c1a0b70defd4d38eda53b892d8e10ab683b3cf25eec
Manifest4069c3036457d1df7195547e3f3c3014862231a0e645ec36976a5797834738a3

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
SignatureQnLdE7F8y7AoRBCrNE3gEuPS8gl1/bZJFaL9b39yUeY7dXdvzeiXkFXZ/4IZF3n6w/CWQznotipER5sqJSsUDw==
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

2026-09-17T12:10:08.605513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013591
observed 26e80c858ffa82ae78595c1a0b70defd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.586789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013591/manifest.json
observed 4069c3036457d1df7195547e3f3c3014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.571015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013591/publication.md
observed ce4fbf9c1415b2f91701dbc5f68419fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.542220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013591/publication.txt
observed 544e674c78ec183f86dc88df98cb5bdf...
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.