Pith Number

pith:G4HJGCXL

pith:2005:G4HJGCXLSM3VU5565QPM36RYBB

not attested not anchored not stored refs pending

Extended Born-Infeld Dynamics and Cosmology

C. A. Romero, L. S. Werneck, M. Makler, M. Novello

arxiv:astro-ph/0501643 v2 · 2005-01-28 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4HJGCXLSM3VU5565QPM36RYBB}

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	2026-05-18T04:33:50.908758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

370e930aeb93375a77beec1ecdfa3808442293b4862b550fc4885755d3249a70

Aliases

arxiv: astro-ph/0501643 · arxiv_version: astro-ph/0501643v2 · doi: 10.48550/arxiv.astro-ph/0501643 · pith_short_12: G4HJGCXLSM3V · pith_short_16: G4HJGCXLSM3VU556 · pith_short_8: G4HJGCXL

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/G4HJGCXLSM3VU5565QPM36RYBB \
  | 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: 370e930aeb93375a77beec1ecdfa3808442293b4862b550fc4885755d3249a70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea46a9b912b82e08592883e43a5e6b488f4a6fab267161061eca71c9bad76a94",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-28T20:33:27Z",
    "title_canon_sha256": "e1a9001b86142517c37cd3323afa1d3876ec03fd187bb0ed7c97a689bac779f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501643",
    "kind": "arxiv",
    "version": 2
  }
}