OpenTechnical

OT-2026-000017068

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000017068) never changes.

Identity and time

Publication numberOT-2026-000017068 · never reused
Internal UUID01a0ae6e-591b-7e25-9bc6-1dea6c1fad4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017068
StatusPUBLIC

Content hashes

Canonical text11df879373b3f3aae895ec71e8a966fd716658aad1f390f5dfc3e4f2441452ba
Markdownce29342387798634d9d4d9e8e34164d9e9311378c074fba7ff80e10ad49552e0
PDF
Publication page5a6111dea8db1b1299de60b46690aa2ae7c5440eb93b126ff54a61fac0d1997d
Manifestfd7468e8a99dab6de05aa126f72ba803d2309d39c15a164db2c6459f301a9d16

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
SignatureoTCk9LsN6To80JL6xOBDr2cvOQ9iN8614Z9w6ZwsIxi4QwEvbqUuyhyp7v54laDAPzE0h/UafmZNfwr973aIBA==
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

2026-09-17T12:03:29.280806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017068
observed 5a6111dea8db1b1299de60b46690aa2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.263883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017068/manifest.json
observed fd7468e8a99dab6de05aa126f72ba803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.247701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017068/publication.md
observed ce29342387798634d9d4d9e8e34164d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:29.231532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017068/publication.txt
observed 11df879373b3f3aae895ec71e8a966fd...
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.