Pith Number

pith:OU5T6T6N

pith:2009:OU5T6T6NU2G4AWH5LFIMLAVU73

not attested not anchored not stored refs pending

The Unifying Dark Fluid Model

Alexandre Arbey

arxiv:0911.3163 v1 · 2009-11-16 · astro-ph.CO · 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{OU5T6T6NU2G4AWH5LFIMLAVU73}

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	2026-05-18T02:34:05.054467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753b3f4fcda68dc058fd5950c582b4fec51147e4c1117cbd9193f93f0bcb1ee9

Aliases

arxiv: 0911.3163 · arxiv_version: 0911.3163v1 · doi: 10.48550/arxiv.0911.3163 · pith_short_12: OU5T6T6NU2G4 · pith_short_16: OU5T6T6NU2G4AWH5 · pith_short_8: OU5T6T6N

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/OU5T6T6NU2G4AWH5LFIMLAVU73 \
  | 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: 753b3f4fcda68dc058fd5950c582b4fec51147e4c1117cbd9193f93f0bcb1ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0995d797c73c6437d7007467530056a1eda3399f9df37391d03624cebf6b0a33",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-16T21:12:02Z",
    "title_canon_sha256": "590809187a49abd3c78dae2f611dd96fc8ef3c301936584324c70557203a56a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3163",
    "kind": "arxiv",
    "version": 1
  }
}