OpenTechnical

OT-2026-000017915

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000017915) never changes.

Identity and time

Publication numberOT-2026-000017915 · never reused
Internal UUID01a0ae6e-96fc-79d6-8aa5-74cdb9594ac1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017915
StatusPUBLIC

Content hashes

Canonical text3d28a91ca58b98b3b2cc4b1875618bf4aabbc6c4309744e7fe9ab80f8635c8d9
Markdownc7e6f5e088c0b03d244b00fdbd7ef1da909e0ad14d5e77f78bb0522c5118c9d9
PDF
Publication page77332995401920dab21b63bb7301e97454714dc45a3479fcd861d147bd246e29
Manifestfaca413b6575b4ae4e5d4c3e7ac7cde3e739feaeab6e094acd5ab09d508ea285

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
Signature9/8OeEdE73A/Y/L2MziFwuAjsiRczM8FUwxPAFohETebSjr61rcNa91ZRfpO1PerCJFHv/mwvNEl6DX20qWlDA==
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

2026-09-17T12:01:54.441351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017915
observed 77332995401920dab21b63bb7301e974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.425272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017915/manifest.json
observed faca413b6575b4ae4e5d4c3e7ac7cde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.409359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017915/publication.md
observed c7e6f5e088c0b03d244b00fdbd7ef1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:54.392605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017915/publication.txt
observed 3d28a91ca58b98b3b2cc4b1875618bf4...
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.