OpenTechnical

OT-2026-000029853

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000029853) never changes.

Identity and time

Publication numberOT-2026-000029853 · never reused
Internal UUID01a0ae73-ac47-75fc-aa4b-1bf1cf071de2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029853
StatusPUBLIC

Content hashes

Canonical texte7de6d09eefccc94e2f7bf04748307043551565eb27b29ed66374cc121486897
Markdown558dd04e0a09ad8ba39423272151fb2baa0c24672199e6999a5b233e2d8480c8
PDF
Publication page8edafcc77c2cae22873c65356594966959b95b777aa7318ac80b307e2eb8673c
Manifest7c4473ed433e63fb3cc7493c1c42e4ff0a3a76de875dc7db2face9e4e910bc07

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
Signature6Wi0sSf2IvluLGf5CkPOPsQegJUlWK3GPSSTzTToTbryvh0gz0juMap49+e5VFgtFli8nOBbZ8IiyvIQeBa/Bg==
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

2026-09-17T11:38:32.821601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029853
observed 8edafcc77c2cae22873c653565949669...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.800648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029853/manifest.json
observed 7c4473ed433e63fb3cc7493c1c42e4ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.779930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029853/publication.md
observed 558dd04e0a09ad8ba39423272151fb2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:32.761293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029853/publication.txt
observed e7de6d09eefccc94e2f7bf0474830704...
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.