OpenTechnical

OT-2026-000028929

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000028929) never changes.

Identity and time

Publication numberOT-2026-000028929 · never reused
Internal UUID01a0ae73-2a9d-7351-8542-2e17d96ad85b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028929
StatusPUBLIC

Content hashes

Canonical textd0d3b475f4d117e3db6eff4174f0efdb3e70b09581dba11580258a262eb33cb3
Markdowna78d7eb39e1ed78c25a73e3aec45162abf5c2051e85d31941635bc2a7c14fa4c
PDF
Publication page777e01a14a374815a12ef3944f7cd78bb50fd1690929cea36ba413e3d93b033d
Manifeste5fcdca9e7f10db38339e73ce98d0199c3d45f62c50a665253c21cf0f2f7e395

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
SignaturejUYUObRPkLKPdlMNEDZICiTNCmzvIDqc3RAq9mLRiKOKWhDlgQRem/nGypDeSujh/5pxj2dvujU8hCDLsiQLCA==
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

2026-09-17T08:20:22.214350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028929
observed 777e01a14a374815a12ef3944f7cd78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:22.188620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028929/manifest.json
observed e5fcdca9e7f10db38339e73ce98d0199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:22.045331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028929/publication.md
observed a78d7eb39e1ed78c25a73e3aec45162a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:22.029385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028929/publication.txt
observed d0d3b475f4d117e3db6eff4174f0efdb...
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.