Pith Number

pith:H4JSDKHR

pith:2018:H4JSDKHREHWZMXK2ZA6XP5FXPZ

not attested not anchored not stored refs pending

A Summary Description of the A2RD Project

Joao Nuno Silva, Juliao Braga, Nizam Omar, Patricia Takako Endo

arxiv:1808.09293 v3 · 2018-08-26 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4JSDKHREHWZMXK2ZA6XP5FXPZ}

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	2026-05-18T00:06:19.980522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f1321a8f121ed965d5ac83d77f4b77e71f08c8ff2fcd78f9563b925df9b533c

Aliases

arxiv: 1808.09293 · arxiv_version: 1808.09293v3 · doi: 10.48550/arxiv.1808.09293 · pith_short_12: H4JSDKHREHWZ · pith_short_16: H4JSDKHREHWZMXK2 · pith_short_8: H4JSDKHR

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/H4JSDKHREHWZMXK2ZA6XP5FXPZ \
  | 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: 3f1321a8f121ed965d5ac83d77f4b77e71f08c8ff2fcd78f9563b925df9b533c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42198102d776361655813d4ce19d5d07050f4cb5f7983ccc58b276e8ed8228a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-08-26T15:02:23Z",
    "title_canon_sha256": "94f5c92338c7b76f2665f5da7b1a7849f3baf54ad28ab095ea8d19a7161aa93c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09293",
    "kind": "arxiv",
    "version": 3
  }
}