OpenTechnical

OT-2026-000093841

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093841) never changes.

Identity and time

Publication numberOT-2026-000093841 · never reused
Internal UUID01a0ae9e-508d-7920-9904-2fe690e83459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093841
StatusPUBLIC

Content hashes

Canonical text085adc5a3171f592b273bbcf81fe8a9725549117468985e1e39ac81befaffec6
Markdown705365794af541d1cc8afe78c91a0f301c74c739d60033f1d6f5cf3f683edd0f
PDF
Publication pagea5d61e87cfd8e73828664e5c5c881c63ebf25fa471975d3842345f968aa5dfb6
Manifest7b2961ee19d4a9f267032ea3ab3ca4f89bf7db6eff3930a47734269221d8cca4

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
SignatureYg+oMxSKtcF3yl+OcmqyvUJJdDgnJfwQjFIROnLcipbIdqr76AMZ+U6W/vgrvZj4jABauSHymE/EtIGJ9VAACA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:57.507986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093841
observed a5d61e87cfd8e73828664e5c5c881c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:57.490890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093841/manifest.json
observed 7b2961ee19d4a9f267032ea3ab3ca4f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:57.473380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093841/publication.md
observed 705365794af541d1cc8afe78c91a0f30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:57.455816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093841/publication.txt
observed 085adc5a3171f592b273bbcf81fe8a97...
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.