Pith Number

pith:Z5MTCSNX

pith:2009:Z5MTCSNX6LTNEV7NW6ML3C3WGM

not attested not anchored not stored refs pending

Relativistic Variable Eddington Factor in a Relativistic Plane-Parallel Flow

J. Fukue

arxiv:0904.3369 v1 · 2009-04-22 · 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{Z5MTCSNX6LTNEV7NW6ML3C3WGM}

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	2026-05-18T02:13:58.315980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf593149b7f2e6d257edb798bd8b763327e779c5ad17bb6f21f9f27188250b30

Aliases

arxiv: 0904.3369 · arxiv_version: 0904.3369v1 · doi: 10.48550/arxiv.0904.3369 · pith_short_12: Z5MTCSNX6LTN · pith_short_16: Z5MTCSNX6LTNEV7N · pith_short_8: Z5MTCSNX

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/Z5MTCSNX6LTNEV7NW6ML3C3WGM \
  | 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: cf593149b7f2e6d257edb798bd8b763327e779c5ad17bb6f21f9f27188250b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5d569eb70202f01c27bba371fadbfb5076a0a7aa1c4527a1aac7c8364f15f1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-22T01:40:21Z",
    "title_canon_sha256": "1018b0945e9df58a07bf9e411210b87034dd4f75e52fce5eb4b537e3d881f197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3369",
    "kind": "arxiv",
    "version": 1
  }
}