OpenTechnical

OT-2026-000084594

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084594) never changes.

Identity and time

Publication numberOT-2026-000084594 · never reused
Internal UUID01a0ae98-e25b-7b09-984b-ee395aacb9e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084594
StatusPUBLIC

Content hashes

Canonical text4cee395ab0f94117c4f9c5635234be7936dba50332c5265c4ef4b31eeac713ff
Markdownc518547052b5883e7eebd1581605c943dec97a100d632dcd3eb3c8cef4a7eee9
PDF
Publication pagef95d2cfea3415dc83e872a3a52d2511f2b2e92e87a3abc2bf7230d256c916521
Manifest92b5f059cd7c59625baf8252bd4d01518e086d1e762e0881587dccfcd9607854

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
Signaturer83CfU/JuX0Tdy68KXFNpyY/hjY06/3rD85PezKouedvXyU9bCcbdvN9iUSFe4/H290mkn0QIGevQuCa10ZMBQ==
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

2026-09-17T09:55:29.910848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084594
observed f95d2cfea3415dc83e872a3a52d2511f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.893417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084594/manifest.json
observed 92b5f059cd7c59625baf8252bd4d0151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.875229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084594/publication.md
observed c518547052b5883e7eebd1581605c943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.856567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084594/publication.txt
observed 4cee395ab0f94117c4f9c5635234be79...
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.