OpenTechnical

OT-2026-000045969

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000045969) never changes.

Identity and time

Publication numberOT-2026-000045969 · never reused
Internal UUID01a0ae7d-8f89-7d24-8f18-3d08c35d6230 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045969
StatusPUBLIC

Content hashes

Canonical text83b92df04507fe16fd8da76204dc0e00107c6f2424e7622bd7eecf0de216c3cf
Markdown0ba19a48d2ef10a6f3b21e6d488f0afb4e3bcd52b5897cb2361e7685917d80f2
PDF
Publication page7c69a8049ca8e6c0b038b023571be5d25c6230ce597210fbb75657561607d4d6
Manifest74b248a6f8b4b4f0ce3f94a8c10130185b9a57e6bc53f34aaf462188eee8d6d8

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
SignatureGd6lUvRQV4RILhsG+qHJ2LZ0oOiQpdo8dXIwgos47D5sM6mdj9BHac5199t+0+8mZSRoXoUSpkgyu3ZuNU00DQ==
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

2026-09-17T11:09:57.463528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045969
observed 7c69a8049ca8e6c0b038b023571be5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.444932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045969/manifest.json
observed 74b248a6f8b4b4f0ce3f94a8c1013018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.424364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045969/publication.md
observed 0ba19a48d2ef10a6f3b21e6d488f0afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:57.404270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045969/publication.txt
observed 83b92df04507fe16fd8da76204dc0e00...
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.