OpenTechnical

OT-2026-000037083

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037083) never changes.

Identity and time

Publication numberOT-2026-000037083 · never reused
Internal UUID01a0ae77-7740-7295-8de1-50dc2f46fb4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037083
StatusPUBLIC

Content hashes

Canonical text3da9e54cd47bca66d010218eb6c6e47290225d7303549a62eb5333eed1f035b5
Markdown524f24c4743a718bb349dbd40117d9a1ebebe2a54cda84629dd7a5631a4ef911
PDF
Publication pageeab18d305b3faba826fd3be7453f52c67a6d79628d4039d6f355785abb627448
Manifestdac57aa647f3ca16b8d15c1e0a812e691acf097eadfeecb726bfdf7442bbbaed

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
Signaturepy+HGfqxl2WtvbZkSZAN7ZmTmowSVuCyGNDjWt2CU6O6CY/xf9o1QR8uewzV+kPaDuhj4C1dSRnETmnAxEgYAQ==
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

2026-09-17T11:24:56.884309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037083
observed eab18d305b3faba826fd3be7453f52c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.867135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037083/manifest.json
observed dac57aa647f3ca16b8d15c1e0a812e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.850160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037083/publication.md
observed 524f24c4743a718bb349dbd40117d9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:56.832210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037083/publication.txt
observed 3da9e54cd47bca66d010218eb6c6e472...
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.