OpenTechnical

OT-2026-000022209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000022209) never changes.

Identity and time

Publication numberOT-2026-000022209 · never reused
Internal UUID01a0ae6f-f4fc-7f35-9a62-937d3eb61759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022209
StatusPUBLIC

Content hashes

Canonical text26395c14e28bcd5881b5c74517e0177f772776a92dab6499f4bdcec16e10e574
Markdown4f9078ae4b2a5877b1fdb3db51cc075b73a6b08be4ce46036630ac321ec9c5ab
PDF
Publication pageddab642b7b8993200d5e1400947cececc58791b34dcacf92dc7ead7298e3f988
Manifest837c80078bc501be3d97611eb0fd7aef4fa42db02f2327d5b221dbac0d35fec4

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
Signaturex6il7Vpyys7gSCPqn0aUvHhTjCMjELjF9L4UT0yvWEsPXqEl/RpMFCjPf9AGseV3AlFFLYG12nKfAi66gctQBA==
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

2026-09-17T11:52:53.729722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022209
observed ddab642b7b8993200d5e1400947cecec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.712463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022209/manifest.json
observed 837c80078bc501be3d97611eb0fd7aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.694754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022209/publication.md
observed 4f9078ae4b2a5877b1fdb3db51cc075b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.677301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022209/publication.txt
observed 26395c14e28bcd5881b5c74517e0177f...
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.