Pith Number

pith:QZYBJM47

pith:2011:QZYBJM47SR2MGCUCXQEH5E7SPE

not attested not anchored not stored refs pending

Unified Dark Fluid with Constant Adiabatic Sound Speed and Cosmic Constraints

Hyerim Noh, Lixin Xu, Yuting Wang

arxiv:1112.3701 v2 · 2011-12-16 · 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{QZYBJM47SR2MGCUCXQEH5E7SPE}

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.

Cited by

1 paper in Pith

Cosmological perturbations of TDiff fields

Receipt and verification

First computed	2026-05-18T04:02:52.302902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

867014b39f9474c30a82bc087e93f2792a3d88b3f4d325793c8fc3e1b40044e3

Aliases

arxiv: 1112.3701 · arxiv_version: 1112.3701v2 · doi: 10.48550/arxiv.1112.3701 · pith_short_12: QZYBJM47SR2M · pith_short_16: QZYBJM47SR2MGCUC · pith_short_8: QZYBJM47

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/QZYBJM47SR2MGCUCXQEH5E7SPE \
  | 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: 867014b39f9474c30a82bc087e93f2792a3d88b3f4d325793c8fc3e1b40044e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa462a6ef54936a2d2597c245e966c58406493c476596d38f1987d62cc100fd5",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-16T01:35:04Z",
    "title_canon_sha256": "f698f8a510184e746577e2dc26e6157f376aad9eddb0ba170e37617608131baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3701",
    "kind": "arxiv",
    "version": 2
  }
}