OpenTechnical

OT-2026-000087906

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000087906) never changes.

Identity and time

Publication numberOT-2026-000087906 · never reused
Internal UUID01a0ae9b-1aa5-7290-bce4-6cad36049da8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087906
StatusPUBLIC

Content hashes

Canonical texta6406fa89b2acb0584e1944313ab273985155e1783a0cc1222e46d70b6ce4d2b
Markdown44cdf375b47273b8f79852f055ef672b335db9710e27ba09b7a3b7d6adad3ec8
PDF
Publication page7dffb85d3831a9ac4a5785352d521cb98824e7532f17f902f32477c167edb266
Manifest476229ca13304e3439081720d7a749d51be6eab17e4b34b2558237a705fb79e6

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
SignatureozOCdYQI7OUUCZOFXm29UkAT5/M0jM1D7WW3R/qzo3uU3oGgeCp5PjoELleCGwHSIOe6w0rmTXzdy1UXsSrUBw==
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

2026-09-17T09:49:11.288485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087906
observed 7dffb85d3831a9ac4a5785352d521cb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.270280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087906/manifest.json
observed 476229ca13304e3439081720d7a749d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.251325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087906/publication.md
observed 44cdf375b47273b8f79852f055ef672b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.234100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087906/publication.txt
observed a6406fa89b2acb0584e1944313ab2739...
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.