Pith Number

pith:FC7QG6DI

pith:2013:FC7QG6DIUS6WGMNOHIISFNIOON

not attested not anchored not stored refs pending

Separating expansion and collapse in general fluid models with heat flux

CAAUL), Daniel C. Guariento (DFMA/IF-USP), DFT-IF-UERJ), DFUL), Elcio Abdalla (DFMA/IF-USP), Filipe C. Mena (CMAT, Jos\'e Pedro Mimoso (CAAUL, Michele Fontanini (DFMA/IF-USP), Morgan Le Delliou (DFMA/IF-USP

arxiv:1305.3475 v2 · 2013-05-15 · gr-qc · astro-ph.CO · 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{FC7QG6DIUS6WGMNOHIISFNIOON}

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	2026-05-18T03:16:16.398991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28bf037868a4bd6331ae3a1122b50e7379df12679af8d654b5ed177b3cfc75ad

Aliases

arxiv: 1305.3475 · arxiv_version: 1305.3475v2 · doi: 10.48550/arxiv.1305.3475 · pith_short_12: FC7QG6DIUS6W · pith_short_16: FC7QG6DIUS6WGMNO · pith_short_8: FC7QG6DI

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/FC7QG6DIUS6WGMNOHIISFNIOON \
  | 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: 28bf037868a4bd6331ae3a1122b50e7379df12679af8d654b5ed177b3cfc75ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b92ec4fc9226cdb151781a980905be42f250f89d44845955e6b0009605b56f8",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-15T13:54:06Z",
    "title_canon_sha256": "d9585e3fab446434d1996ce48dfb435f5667026f2eb2c10d2a5a412ac1f64b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3475",
    "kind": "arxiv",
    "version": 2
  }
}