Pith Number

pith:F4NGMOOD

pith:2014:F4NGMOODPVVFKPGDQLN3ZIDFAE

not attested not anchored not stored refs pending

Interacting parametrized post-Friedmann method

Lixin Xu, Mart\'in G. Richarte

arxiv:1407.4348 v3 · 2014-07-16 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4NGMOODPVVFKPGDQLN3ZIDFAE}

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	2026-05-18T01:18:57.611823Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1a6639c37d6a553cc382dbbca0650116ba155794ee7f3adb208d44d4f43075

Aliases

arxiv: 1407.4348 · arxiv_version: 1407.4348v3 · doi: 10.48550/arxiv.1407.4348 · pith_short_12: F4NGMOODPVVF · pith_short_16: F4NGMOODPVVFKPGD · pith_short_8: F4NGMOOD

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/F4NGMOODPVVFKPGDQLN3ZIDFAE \
  | 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: 2f1a6639c37d6a553cc382dbbca0650116ba155794ee7f3adb208d44d4f43075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea73f7ad1299d32e2dcea1a227ba4f57a65a9553504ee85258dcca067fcd84f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-07-16T15:37:27Z",
    "title_canon_sha256": "aff81d37bd2740ef11cda1a11db8252ebdbc7eb09025fa1215a60ad78e6fd842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4348",
    "kind": "arxiv",
    "version": 3
  }
}