Pith Number

pith:XSURNOST

pith:2012:XSURNOSTZZ6RS2UAFKIGQ2OA2J

not attested not anchored not stored refs pending

Causal State Communication

Chiranjib Choudhuri, Urbashi Mitra, Young-Han Kim

arxiv:1203.6027 v1 · 2012-03-27 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSURNOSTZZ6RS2UAFKIGQ2OA2J}

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	2026-05-18T02:21:16.824096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca916ba53ce7d196a802a906869c0d263319121babfdd2a63d6de61e13977c4

Aliases

arxiv: 1203.6027 · arxiv_version: 1203.6027v1 · doi: 10.48550/arxiv.1203.6027 · pith_short_12: XSURNOSTZZ6R · pith_short_16: XSURNOSTZZ6RS2UA · pith_short_8: XSURNOST

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/XSURNOSTZZ6RS2UAFKIGQ2OA2J \
  | 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: bca916ba53ce7d196a802a906869c0d263319121babfdd2a63d6de61e13977c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f6705644011b1f053c55b560ff73a0761f41ebf0c25a150a9ac71f240f42dd4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-27T17:06:40Z",
    "title_canon_sha256": "8934f601090b3965a355f88f1dba967ea50ba1ec8e4c419afce004e2761f2bfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6027",
    "kind": "arxiv",
    "version": 1
  }
}