OpenTechnical

OT-2026-000087369

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, sustained 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-2026-000087369) never changes.

Identity and time

Publication numberOT-2026-000087369 · never reused
Internal UUID01a0ae9a-cd4f-77b7-b65e-dc1693e5f641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087369
StatusPUBLIC

Content hashes

Canonical text4cdcbdf7f1b464f026e17ff09570eebb49a03aea03726da182f7dfa13e4889ba
Markdownd504280b804713db16156eea9a816179ed581befdddb944b57ad14774ba0fb62
PDF
Publication page5ad9b45d20ab23768ecb7fe7285c2048c776c473a544526ec49016f7f8121011
Manifestb45d0170cafdd588f8135dcf14e7c3cf7e378df5b1f24b2c2c08e3c41d07a94e

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
SignatureewgoUlF5rEjFMfbopWACNMqCvzeVDnwxa4VWuGZ25E12XTIp+SQHlaqktnG5aKCVx1BFE1PstTEtD2973k1OAQ==
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

2026-09-17T09:50:33.195041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087369
observed 5ad9b45d20ab23768ecb7fe7285c2048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.179115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087369/manifest.json
observed b45d0170cafdd588f8135dcf14e7c3cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.162080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087369/publication.md
observed d504280b804713db16156eea9a816179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:33.144622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087369/publication.txt
observed 4cdcbdf7f1b464f026e17ff09570eebb...
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.