Pith Number

pith:3YETRXHM

pith:2012:3YETRXHM74AEZPBEWEXJ3WUPZG

not attested not anchored not stored refs pending

Perfect Fluid Quantum Anisotropic Universe: Merits and Challenges

Barun Majumder, Narayan Banerjee

arxiv:1208.4481 v1 · 2012-08-22 · 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{3YETRXHM74AEZPBEWEXJ3WUPZG}

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	2026-05-18T01:54:59.745647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de0938dcecff004cbc24b12e9dda8fc9b3fcdf192a9156efb6f9a44957e9fd89

Aliases

arxiv: 1208.4481 · arxiv_version: 1208.4481v1 · doi: 10.48550/arxiv.1208.4481 · pith_short_12: 3YETRXHM74AE · pith_short_16: 3YETRXHM74AEZPBE · pith_short_8: 3YETRXHM

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/3YETRXHM74AEZPBEWEXJ3WUPZG \
  | 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: de0938dcecff004cbc24b12e9dda8fc9b3fcdf192a9156efb6f9a44957e9fd89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ec81cd2f2c0646447156ee45fca2416fffdfee42b3de09a8e268701c9f5292",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-22T11:47:28Z",
    "title_canon_sha256": "9a47ca798e19db0d092ccdca408066ca81c420837bcdb2d3260591ab5e21c8fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4481",
    "kind": "arxiv",
    "version": 1
  }
}