Pith Number

pith:NJWXDB7B

pith:2026:NJWXDB7BT56TRIQNZONTXDGMVE

not attested not anchored not stored refs pending

What could an emerging Big Bang Nucleosynthesis discrepancy be hinting at?

Cyril Pitrou, Julien Froustey, Tristan L. Smith, Vivian Poulin

arxiv:2607.20635 v1 · 2026-07-22 · astro-ph.CO · hep-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{NJWXDB7BT56TRIQNZONTXDGMVE}

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	2026-07-24T00:23:26.923603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a6d7187e19f7d38a20dcb9b3b8ccca922ce2bde872656f406bda98f7a4bce9a

Aliases

arxiv: 2607.20635 · arxiv_version: 2607.20635v1 · doi: 10.48550/arxiv.2607.20635 · pith_short_12: NJWXDB7BT56T · pith_short_16: NJWXDB7BT56TRIQN · pith_short_8: NJWXDB7B

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/NJWXDB7BT56TRIQNZONTXDGMVE \
  | 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: 6a6d7187e19f7d38a20dcb9b3b8ccca922ce2bde872656f406bda98f7a4bce9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "072042fc335a77cc41bd217348d446bb229bc07849e042e07c07a7525ede2781",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-07-22T18:05:09Z",
    "title_canon_sha256": "e1452e4100b1fe0a436f370594f642d8911534056d4709d6e6f12722f775bf1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20635",
    "kind": "arxiv",
    "version": 1
  }
}