OpenTechnical

OT-2026-000007610

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000007610) never changes.

Identity and time

Publication numberOT-2026-000007610 · never reused
Internal UUID01a0ae62-76bc-7ff3-982b-802a7f4a3ed0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007610
StatusPUBLIC

Content hashes

Canonical text3a84b8765161930cd9f7823b4fb08321c6ea6174b899c48c8e1c35536ce2b767
Markdowne737fe1639c2e583740263f8f65e2a97b85dc0e80aa7af0a8f7a793877a8a043
PDF
Publication pagea7b6c31593cbb200f31740d5203e76b1d3c6a673298a76d69a57c39f6c22c332
Manifest007edaa7b0d92b602697a5356f0b3924eb44691833a7250ea1e27f65811d3a8c

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
SignaturewqPwUnmoq5JdWH3kMAnAhl3HCD1lLokvVluo8xQATWdPIDyujrVXgpuFw58ErA3hFp1zgHjM1g1eRYjq+3dzDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:13.385590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007610
observed a7b6c31593cbb200f31740d5203e76b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.369046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007610/manifest.json
observed 007edaa7b0d92b602697a5356f0b3924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.352599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007610/publication.md
observed e737fe1639c2e583740263f8f65e2a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.333428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007610/publication.txt
observed 3a84b8765161930cd9f7823b4fb08321...
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.