OpenTechnical

OT-2026-000010783

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000010783) never changes.

Identity and time

Publication numberOT-2026-000010783 · never reused
Internal UUID01a0ae6c-0ee9-7a6a-969d-8f5a5b074c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010783
StatusPUBLIC

Content hashes

Canonical texteb60206a5d1e09fb9e51e0b1b60f728f9ac76a18c6ff19f8fb156837fd572b83
Markdown9ae8cb46b12d5366c0654f4cc2d701985d9c9187642aa77ad49bdc2932669f66
PDF
Publication page3eadec52a5dc632c07ffa6b8899e23a20efd6b65e04ad88a812374765cdd01d4
Manifest645615faadb5891ba3c290f98a665e273595459333d6a17b104b12b4d006c72c

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
SignatureTYxV7g9zLO/TitR9kacOPiGWKJpRVrQ6R+5qut/ECK70U/53QyUeReLXWvJa/Nr+ftog2VRxK+82Db1DtDOiDA==
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

2026-09-17T12:15:42.710602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010783
observed 3eadec52a5dc632c07ffa6b8899e23a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.689000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010783/manifest.json
observed 645615faadb5891ba3c290f98a665e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.666217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010783/publication.md
observed 9ae8cb46b12d5366c0654f4cc2d70198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.642565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010783/publication.txt
observed eb60206a5d1e09fb9e51e0b1b60f728f...
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.