Pith Number

pith:25UCJDSP

pith:2014:25UCJDSPJCCXX2YRYDSBFGYANO

not attested not anchored not stored refs pending

Accelerated expansion in the effective field theory of a radiation dominated universe

Bruno Balthazar, Pedro G. Ferreira

arxiv:1407.0951 v2 · 2014-07-03 · 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{25UCJDSPJCCXX2YRYDSBFGYANO}

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	2026-05-18T01:42:42.269453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d768248e4f48857beb11c0e4129b006b88eb3c19be3b8c7cae5d4edfa69a5fcf

Aliases

arxiv: 1407.0951 · arxiv_version: 1407.0951v2 · doi: 10.48550/arxiv.1407.0951 · pith_short_12: 25UCJDSPJCCX · pith_short_16: 25UCJDSPJCCXX2YR · pith_short_8: 25UCJDSP

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/25UCJDSPJCCXX2YRYDSBFGYANO \
  | 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: d768248e4f48857beb11c0e4129b006b88eb3c19be3b8c7cae5d4edfa69a5fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f23a97ac43af304a0280121f8d154ca18f46fac0870706f249cde98ed7bbd48",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-07-03T15:29:59Z",
    "title_canon_sha256": "2b220bf9f126202d9cb2f0aba1425d4514ebeaaea9d2028805a0ce55f804fc46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.0951",
    "kind": "arxiv",
    "version": 2
  }
}