Pith Number

pith:KKN23PVD

pith:2014:KKN23PVDMSG4YMXQMKROWFOYMB

not attested not anchored not stored refs pending

Big-Bang Nucleosynthesis in comparison with observed helium and deuterium abundances - possibility of a non-standard model

K. Arai, M. Hashimoto, R. Ichimasa, R. Nakamura

arxiv:1404.4831 v4 · 2014-04-18 · 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{KKN23PVDMSG4YMXQMKROWFOYMB}

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	2026-05-18T02:45:57.809497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

529badbea3648dcc32f062a2eb15d860417c0063a90fc58b4e463b319b7d815c

Aliases

arxiv: 1404.4831 · arxiv_version: 1404.4831v4 · doi: 10.48550/arxiv.1404.4831 · pith_short_12: KKN23PVDMSG4 · pith_short_16: KKN23PVDMSG4YMXQ · pith_short_8: KKN23PVD

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/KKN23PVDMSG4YMXQMKROWFOYMB \
  | 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: 529badbea3648dcc32f062a2eb15d860417c0063a90fc58b4e463b319b7d815c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76dea3304b2706c02eb0a57c8533932f9e898279fb512c197463368a73573955",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-18T16:03:50Z",
    "title_canon_sha256": "62d6becb3b6fa5730d5f3e37a219dd02c12175fa08f0a0733cb37d1c140878c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4831",
    "kind": "arxiv",
    "version": 4
  }
}