Pith Number

pith:DBQ4FBXG

pith:2013:DBQ4FBXGBENSWE3RZXJMTMBFSN

not attested not anchored not stored refs pending

Information conservation is fundamental: recovering the lost information in Hawking radiation

Baocheng Zhang, Li You, Ming-Sheng Zhan, Qing-yu Cai

arxiv:1305.6341 v1 · 2013-05-27 · gr-qc · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBQ4FBXGBENSWE3RZXJMTMBFSN}

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	2026-05-18T03:16:16.351997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1861c286e6091b2b1371cdd2c9b025934749bc1484a5de553a214d049a22dda6

Aliases

arxiv: 1305.6341 · arxiv_version: 1305.6341v1 · doi: 10.48550/arxiv.1305.6341 · pith_short_12: DBQ4FBXGBENS · pith_short_16: DBQ4FBXGBENSWE3R · pith_short_8: DBQ4FBXG

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/DBQ4FBXGBENSWE3RZXJMTMBFSN \
  | 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: 1861c286e6091b2b1371cdd2c9b025934749bc1484a5de553a214d049a22dda6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f562e49e87684a479c4dd5921fa1889219763810e2758f2e57a9a1b5895575c",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-27T23:18:28Z",
    "title_canon_sha256": "9afaf8624d057a8173479765c86e35b90a3701a5bfbcb9d0e1d89347447e4cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6341",
    "kind": "arxiv",
    "version": 1
  }
}