OpenTechnical

OT-2026-000006348

Publication integrity record

Vacuum cup gripper, per zone isolation, ejector fed, contact triggered, vented before set down

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-2026-000006348) never changes.

Identity and time

Publication numberOT-2026-000006348 · never reused
Internal UUID01a0a957-da51-71bd-8539-8ccb4e01c42f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:42.163960Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006348
StatusPUBLIC

Content hashes

Canonical textee235019fb00a5fb5a8a03eeeff537c1081cb7a4a52fe35af9b3aa8c02b66349
Markdown99792a026439d72135d02e7fb0344619147b33eb22bd3ddf60a25f306c562190
PDF
Publication pagef9c2677ceae9c7bca21e2c64ce759d0e56db74c9ba59a3cbfa2c4be4bd764d33
Manifest8d3b32f474834687920d6e3865b119994b8610ed237ccc395228c74000827886

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
SignatureZSUkguSK4SUCQzshW5J2ybl6TylxPJ9LBUhPRe4z7MrUpMTxB6fq5ZRmYSOIDNpdCdqfMLgZMJ30WDZFo6D/Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:28.461192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006348
observed f9c2677ceae9c7bca21e2c64ce759d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.424775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006348/manifest.json
observed 8d3b32f474834687920d6e3865b11999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.412125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006348/publication.md
observed 99792a026439d72135d02e7fb0344619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:28.399605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006348/publication.txt
observed ee235019fb00a5fb5a8a03eeeff537c1...
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.