Pith Number

pith:EZACA6V2

pith:2019:EZACA6V2JRYSRQV3YHBEUXBLNH

not attested not anchored not stored refs pending

First study of reionization in tilted flat and untilted non-flat dynamical dark energy inflation models

Bharat Ratra, Chan-Gyung Park, Sourav Mitra, Tirthankar Roy Choudhury

arxiv:1901.09927 v2 · 2019-01-28 · astro-ph.CO · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZACA6V2JRYSRQV3YHBEUXBLNH}

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	2026-05-17T23:43:03.651658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2640207aba4c7128c2bbc1c24a5c2b69cd831da7a09dc3020bb1729b64dcc043

Aliases

arxiv: 1901.09927 · arxiv_version: 1901.09927v2 · doi: 10.48550/arxiv.1901.09927 · pith_short_12: EZACA6V2JRYS · pith_short_16: EZACA6V2JRYSRQV3 · pith_short_8: EZACA6V2

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/EZACA6V2JRYSRQV3YHBEUXBLNH \
  | 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: 2640207aba4c7128c2bbc1c24a5c2b69cd831da7a09dc3020bb1729b64dcc043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a59bb04e2303630f4bcd5fcd4615f5fa39540d81204121490929d46c2497024f",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-01-28T19:00:01Z",
    "title_canon_sha256": "6768170655583c8c5ce134742d8f42337470a33b25e5cae3b89cbc0c5d2f22c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09927",
    "kind": "arxiv",
    "version": 2
  }
}