Pith Number

pith:CV5662YW

pith:2010:CV5662YWCBFPQGRDNLXFPC5IPL

not attested not anchored not stored refs pending

Viscous dark fluid universe

H.E.S. Velten, W.S. Hip\'olito-Ricaldi, W. Zimdahl

arxiv:1007.0675 v2 · 2010-07-05 · astro-ph.CO · 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{CV5662YWCBFPQGRDNLXFPC5IPL}

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	2026-05-18T02:33:15.355581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

157bef6b16104af81a236aee578ba87ae28f6aac358930f28676eb1e2c423f6f

Aliases

arxiv: 1007.0675 · arxiv_version: 1007.0675v2 · doi: 10.48550/arxiv.1007.0675 · pith_short_12: CV5662YWCBFP · pith_short_16: CV5662YWCBFPQGRD · pith_short_8: CV5662YW

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/CV5662YWCBFPQGRDNLXFPC5IPL \
  | 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: 157bef6b16104af81a236aee578ba87ae28f6aac358930f28676eb1e2c423f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "837e00ba8ad3f35fb612d7ad2caf579bb5483e1ac6beebd4911cafd501d6573b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-05T13:19:36Z",
    "title_canon_sha256": "741f6a7e52b45962c12b668769046036b2d050980773c9bcfda85646bc6c1bab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.0675",
    "kind": "arxiv",
    "version": 2
  }
}