Pith Number

pith:CBCH2GPZ

pith:2002:CBCH2GPZQYHC72BJPYOPDZEHFC

not attested not anchored not stored refs pending

Black hole and baby universe in a thin film of 3He-A

Tatsuhiko Koike, Ted Jacobson

arxiv:cond-mat/0205174 v1 · 2002-05-08 · cond-mat · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBCH2GPZQYHC72BJPYOPDZEHFC}

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	2026-07-04T14:19:06.695415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10447d19f9860e2fe8297e1cf1e48728bc17a738e35e28a68bf847469d817f1c

Aliases

arxiv: cond-mat/0205174 · arxiv_version: cond-mat/0205174v1 · doi: 10.48550/arxiv.cond-mat/0205174 · pith_short_12: CBCH2GPZQYHC · pith_short_16: CBCH2GPZQYHC72BJ · pith_short_8: CBCH2GPZ

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/CBCH2GPZQYHC72BJPYOPDZEHFC \
  | 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: 10447d19f9860e2fe8297e1cf1e48728bc17a738e35e28a68bf847469d817f1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f53a700f57dc130479d4046998dc7415fc45b58a67af40714ba5d060eb5a60a1",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "2002-05-08T21:36:53Z",
    "title_canon_sha256": "54cdeaf9f1269947b67810b80fbfc12a0843b1841a25ccc441fce8375406d2ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0205174",
    "kind": "arxiv",
    "version": 1
  }
}