OpenTechnical

OT-2026-000103454

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000103454) never changes.

Identity and time

Publication numberOT-2026-000103454 · never reused
Internal UUID01a0aea4-e460-7e77-9df6-7be62aaa80bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103454
StatusPUBLIC

Content hashes

Canonical text0966ae75be3fccb4078ce00680cb8191ad7ee5a1e0a702055f9ff63ad1cc8813
Markdownc99c3640cddf36fbd9e24e44fcf0947081e3a464365cb726749654220ac03ced
PDF
Publication page86663e0ae0c4a8e2ee9dcdaee238ba31aae108e5e8c5920a2290e00a7269a2bf
Manifestd4bfe6e7207a23f6a3be971ed87c1eb44947d8564a5b57a26a34f13399b608d3

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
SignatureNLIaCdzFricLmeDw7Dj5KRiGOer3Oit1tzSYTAKB9nPltTszUf45ZNNXtuuK2zWliylU+RGdSC+vfqHhV8NSCg==
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

2026-09-17T09:22:12.606866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103454
observed 86663e0ae0c4a8e2ee9dcdaee238ba31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.588514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103454/manifest.json
observed d4bfe6e7207a23f6a3be971ed87c1eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.573676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103454/publication.md
observed c99c3640cddf36fbd9e24e44fcf09470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.557206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103454/publication.txt
observed 0966ae75be3fccb4078ce00680cb8191...
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.