Pith Number

pith:UGNGK35M

pith:2025:UGNGK35M4R2VI7LUMBV6JYX2JZ

not attested not anchored not stored refs pending

BSFfast: Rapid computation of bound-state effects on annihilation in the early Universe

Jan Heisig, Mathias Garny, Stefan Lederer, Tobias Binder

arxiv:2512.23812 v2 · 2025-12-29 · 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{UGNGK35M4R2VI7LUMBV6JYX2JZ}

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	2026-07-30T00:08:12.527982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

a19a656face475547d74606be4e2fa4e7f66100f021a8710601fe9107f97a33c

Aliases

arxiv: 2512.23812 · arxiv_version: 2512.23812v2 · doi: 10.48550/arxiv.2512.23812 · pith_short_12: UGNGK35M4R2V · pith_short_16: UGNGK35M4R2VI7LU · pith_short_8: UGNGK35M

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/UGNGK35M4R2VI7LUMBV6JYX2JZ \
  | 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: a19a656face475547d74606be4e2fa4e7f66100f021a8710601fe9107f97a33c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e138625fd13e7115b51670ead709e84f6427c8d668e4d1e4d424b6f2fc2573d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2025-12-29T19:14:53Z",
    "title_canon_sha256": "4ae5c0f9f1aae126c19fdce07f9da0248656d1cf13699e887ede1304297d3166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.23812",
    "kind": "arxiv",
    "version": 2
  }
}