Pith Number

pith:DNAWK3GF

pith:2009:DNAWK3GFSUA6SD3IN2IM3ULODU

not attested not anchored not stored refs pending

Variable Eddington Factor in a Relativistic Plane-Parallel Flow

J. Fukue

arxiv:0904.2804 v1 · 2009-04-18 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DNAWK3GFSUA6SD3IN2IM3ULODU}

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	2026-05-18T02:13:59.269296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b41656cc59501e90f686e90cdd16e1d0cb9764114fd8b622c462c12b53cb91d

Aliases

arxiv: 0904.2804 · arxiv_version: 0904.2804v1 · doi: 10.48550/arxiv.0904.2804 · pith_short_12: DNAWK3GFSUA6 · pith_short_16: DNAWK3GFSUA6SD3I · pith_short_8: DNAWK3GF

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/DNAWK3GFSUA6SD3IN2IM3ULODU \
  | 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: 1b41656cc59501e90f686e90cdd16e1d0cb9764114fd8b622c462c12b53cb91d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6a93e1847d0268d8a4ea72b82d12e05ece4f25bee97c8ff974d68a5f6b6bd25",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-18T00:39:13Z",
    "title_canon_sha256": "6654609b70fac20eabcb5563f4d0bb042a340b763e69da0c2e400b355a16a3eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2804",
    "kind": "arxiv",
    "version": 1
  }
}