OpenTechnical

OT-2026-000103380

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000103380) never changes.

Identity and time

Publication numberOT-2026-000103380 · never reused
Internal UUID01a0aea4-e460-741a-9900-b24646d629fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103380
StatusPUBLIC

Content hashes

Canonical text7672cfa015aebcfc12ab8d8a47437962fb02a7b9b2dcb00f40570405c8ee58f0
Markdown2b39d3a35d278ab6dbc024ecbcaf52502349dbd1b6e1f71fbd7c4e1098750b51
PDF
Publication page0205b63c79b497b22235768cc9f8ddaf9027fe1d17bb8cc61258ed4caa99e3ad
Manifest9f94fbe774b581029d41219a04b375c05b30745fc062d273825130614c8bdd81

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
Signature3BhDwUvNccZDG2yW99ccCvRn3fXDfLRpKdywRq+CkAgtlEGblFm9yvDF9DDU1R7HTFUSIvffVXrb3PUt0SHSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:07.199357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103380
observed 0205b63c79b497b22235768cc9f8ddaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.183958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103380/manifest.json
observed 9f94fbe774b581029d41219a04b375c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.168807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103380/publication.md
observed 2b39d3a35d278ab6dbc024ecbcaf5250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.152059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103380/publication.txt
observed 7672cfa015aebcfc12ab8d8a47437962...
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.