Pith Number

pith:WB7F7AXN

pith:2008:WB7F7AXN2UNQVUSMOJBGWCR3XD

not attested not anchored not stored refs pending

A Coherent View on Entropy

Won-Young Hwang

arxiv:0806.2749 v4 · 2008-06-17 · quant-ph · cond-mat.stat-mech · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WB7F7AXN2UNQVUSMOJBGWCR3XD}

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	2026-05-18T02:52:56.471637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07e5f82edd51b0ad24c72426b0a3bb8cc56353d5456b16e7a467872e04bb2b1

Aliases

arxiv: 0806.2749 · arxiv_version: 0806.2749v4 · doi: 10.48550/arxiv.0806.2749 · pith_short_12: WB7F7AXN2UNQ · pith_short_16: WB7F7AXN2UNQVUSM · pith_short_8: WB7F7AXN

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/WB7F7AXN2UNQVUSMOJBGWCR3XD \
  | 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: b07e5f82edd51b0ad24c72426b0a3bb8cc56353d5456b16e7a467872e04bb2b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2df667fb0c8f392f06596ecdb91cacd4dc6163599aff1acd5bd42eb9f136cc5",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-06-17T10:42:08Z",
    "title_canon_sha256": "2bfdce4968262058ae853ada73ea9e996bc18bc00c566580a1926f39cf402613"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2749",
    "kind": "arxiv",
    "version": 4
  }
}