Pith Number

pith:JDK75LSL

pith:2026:JDK75LSLGCPPK7RFYPX6NUTOGA

not attested not anchored not stored refs pending

OpenURMA: A Clean-Room Open Implementation of the Unified Bus Protocol

Bojie Li

arxiv:2605.28717 v1 · 2026-05-27 · cs.AI · cs.AR · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDK75LSLGCPPK7RFYPX6NUTOGA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-28T02:05:00.951116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48d5feae4b309ef57e25c3efe6d26e3012682c788915404bc19218b0fa4a6af7

Aliases

arxiv: 2605.28717 · arxiv_version: 2605.28717v1 · doi: 10.48550/arxiv.2605.28717 · pith_short_12: JDK75LSLGCPP · pith_short_16: JDK75LSLGCPPK7RF · pith_short_8: JDK75LSL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JDK75LSLGCPPK7RFYPX6NUTOGA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 48d5feae4b309ef57e25c3efe6d26e3012682c788915404bc19218b0fa4a6af7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe8cbc1265765a945ab206240f343ca31c8424d288ad13aa4456c58f95529d1a",
    "cross_cats_sorted": [
      "cs.AR",
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-27T16:38:57Z",
    "title_canon_sha256": "326a34287aff1dc51b1032294ba55eb4077f537d5206d6925d60e9821c73dae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28717",
    "kind": "arxiv",
    "version": 1
  }
}