OpenTechnical

OT-2026-000100671

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000100671) never changes.

Identity and time

Publication numberOT-2026-000100671 · never reused
Internal UUID01a0aea3-66f3-766c-8aff-a716fa46b47a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100671
StatusPUBLIC

Content hashes

Canonical textbbd9f67bff401026056920c2cc7b3ad5dc21957c61119e28f51813ce6ca51232
Markdown40691f89e71e521b356fa75f29c737b0399ac4717951b53beceadb146174dc2b
PDF
Publication page9a21c79e43ff3ff23f8fd26f60d8333293c09768903b6eaae93da13043259032
Manifestb367568ebc5f62fdcd1a7040d7b0aa72b6d45ce6b69ab4a681bdfa71f70fb7ac

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
SignaturezufjJPJURrRC+/1Z4oFMvrqt3EkNdObrSadNgz8p6Vx6bsaqJbFOdqcHwLN25nXcpVdqDEvUf1LTMfHJdWGDBg==
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

2026-09-17T09:27:28.974690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100671
observed 9a21c79e43ff3ff23f8fd26f60d83332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.956850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100671/manifest.json
observed b367568ebc5f62fdcd1a7040d7b0aa72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.938979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100671/publication.md
observed 40691f89e71e521b356fa75f29c737b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.920851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100671/publication.txt
observed bbd9f67bff401026056920c2cc7b3ad5...
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.