OpenTechnical

OT-2026-000045208

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000045208) never changes.

Identity and time

Publication numberOT-2026-000045208 · never reused
Internal UUID01a0ae7c-f769-760e-9c29-e52ecae11aa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045208
StatusPUBLIC

Content hashes

Canonical textc911bdd3b4d0f8c5017dd1068f4f32336a76239c688f617109edcac6ee7c9c98
Markdown335dfbece6ec765d6d8b0ba1ca6f69df8c8b81b04cfb61d5316809ee6fd34ab5
PDF
Publication page81e1ca415a6da40b072b662eae011ab18b00c85680f921746f019c70e4ff8606
Manifest7dcd1ff32ceccdc5deb0c2e996ef0a8c2c9c2b34b2059829e34dfd7391977444

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
Signature9s396UcDM9FPVbhsM7Mhc9DGf35i6Blb1AY4ie4Ni63g7ldVOL1b/PDjVbovJOMDDOoBB/PqkDXZnq9veRi2CA==
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

2026-09-17T11:10:23.585968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045208
observed 81e1ca415a6da40b072b662eae011ab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.565681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045208/manifest.json
observed 7dcd1ff32ceccdc5deb0c2e996ef0a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.544424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045208/publication.md
observed 335dfbece6ec765d6d8b0ba1ca6f69df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.523651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045208/publication.txt
observed c911bdd3b4d0f8c5017dd1068f4f3233...
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.