OpenTechnical

OT-2026-000012544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000012544) never changes.

Identity and time

Publication numberOT-2026-000012544 · never reused
Internal UUID01a0ae6d-39f7-789e-b4a6-24a406839595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012544
StatusPUBLIC

Content hashes

Canonical texte06baa130b415db9b99ce464acbd69a100ff746da47ba005519e6736a489b353
Markdownf3107068235f9664d652ac039687544ff68e944dfd10d74337a5c6f155cd309e
PDF
Publication pagee87962b4eb1613208bb524d980dd13bfa6525b98d872e68a2697576458fb95f3
Manifestc83d0fcc21c5012384e58695d87d3d61c474a9be0658f05be01454dc662aa18b

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
SignaturepnXHss/+68o6Ixio47nzjO+OIuf4evcvT/ce1uP9tmPCIqmBVHIYviPyrFDiLvV3HSbm9aOcEYeTna/lp+1dBw==
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

2026-09-17T12:12:05.044568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012544
observed e87962b4eb1613208bb524d980dd13bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:05.023341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012544/manifest.json
observed c83d0fcc21c5012384e58695d87d3d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.997356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012544/publication.md
observed f3107068235f9664d652ac039687544f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.968312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012544/publication.txt
observed e06baa130b415db9b99ce464acbd69a1...
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.