Pith Number

pith:EZD3NW34

pith:2012:EZD3NW34IO27AUO7MNBFXLRFKT

not attested not anchored not stored refs pending

A Complete Dichotomy Rises from the Capture of Vanishing Signatures

Heng Guo, Jin-Yi Cai, Tyson Williams

arxiv:1204.6445 v3 · 2012-04-29 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZD3NW34IO27AUO7MNBFXLRFKT}

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	2026-05-18T00:26:18.734969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2647b6db7c43b5f051df63425bae2554f574e0c02386cc14a20eb14d1a15e793

Aliases

arxiv: 1204.6445 · arxiv_version: 1204.6445v3 · doi: 10.48550/arxiv.1204.6445 · pith_short_12: EZD3NW34IO27 · pith_short_16: EZD3NW34IO27AUO7 · pith_short_8: EZD3NW34

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/EZD3NW34IO27AUO7MNBFXLRFKT \
  | 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: 2647b6db7c43b5f051df63425bae2554f574e0c02386cc14a20eb14d1a15e793

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e97f3f42629f370781720f81d524f166da72364a3d503ed7d8bb35bf6817d431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2012-04-29T00:22:39Z",
    "title_canon_sha256": "498c5d0d06db495a08875c519202c92b2e55e676ad4bde502d638b364f67fe59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6445",
    "kind": "arxiv",
    "version": 3
  }
}