OpenTechnical

OT-2026-000041959

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000041959) never changes.

Identity and time

Publication numberOT-2026-000041959 · never reused
Internal UUID01a0ae79-e8a7-7e79-92ca-84a2dc3f14b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041959
StatusPUBLIC

Content hashes

Canonical text7b6e406170f0d1a479cbdaf1d03a867f3f76181fb6de5d0ed467b3e853d28e57
Markdown8c3bd2c6f553b00a85acd408f95317db15a0fda46e2c374d67fd3f67297f8fc0
PDF
Publication pagec6063ae42f0dba1b7273f517199126e12cecffce2c829047509e3d9f8c7752b3
Manifestf9585d11dab35bd021ca15ba06e39a2df344b432e0a4a91c97cc0891f9892e93

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
Signaturel08Sx+3AxJkP5heeePPQPn7NovxebuMUoXCcYOj8EZbZ5rs4nLytHsQ7KUid378SKe4zav/DGtuEz2kX/yssAg==
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

2026-09-17T11:16:51.062175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041959
observed c6063ae42f0dba1b7273f517199126e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.045680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041959/manifest.json
observed f9585d11dab35bd021ca15ba06e39a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.028864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041959/publication.md
observed 8c3bd2c6f553b00a85acd408f95317db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:51.011741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041959/publication.txt
observed 7b6e406170f0d1a479cbdaf1d03a867f...
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.