OpenTechnical

OT-2026-000068415

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000068415) never changes.

Identity and time

Publication numberOT-2026-000068415 · never reused
Internal UUID01a0ae90-2481-76cd-bd7b-921d128477dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068415
StatusPUBLIC

Content hashes

Canonical text9c6bf5b0d8f0c27edb27fddd13e92a0c2f077e939103a100bf6a927248b15f93
Markdown1a2d612508ec04a40ac0381ef17da48458acdc113e4ac94c90115ab488328748
PDF
Publication page9d773a5c84b1af9ea9c400bdf2fd0b794150e68e163c9152672486b1ecc79a6b
Manifestea473a87765b9b4f15716591a9343dbc70d7bc12572583184f9c41088f391168

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
Signature8gN/7FwiWWdzhFpuZBnnaJq7D5QmgypitczLHkZQcSDzt/yIhBJYWx4kGd0KGgUu2XSPFPvGsvQDO3/5RBM5Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:33.117635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068415
observed 9d773a5c84b1af9ea9c400bdf2fd0b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.097736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068415/manifest.json
observed ea473a87765b9b4f15716591a9343dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.075826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068415/publication.md
observed 1a2d612508ec04a40ac0381ef17da484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:33.056582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068415/publication.txt
observed 9c6bf5b0d8f0c27edb27fddd13e92a0c...
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.