Pith Number

pith:WN6AEDG3

pith:1999:WN6AEDG3XIIRYB65LNDIGVSFNV

not attested not anchored not stored refs pending

Photon Absorption on a Neutron-Proton Pair in 3He and 4He

K. Kume (Nara Women's Univ.), S. Hirenzaki, Y. Umemoto

arxiv:nucl-th/9901072 v2 · 1999-01-25 · nucl-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{WN6AEDG3XIIRYB65LNDIGVSFNV}

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	2026-05-18T04:23:54.698982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b37c020cdbba111c07dd5b468356456d6b2b000312e3131c9c406514102b3973

Aliases

arxiv: nucl-th/9901072 · arxiv_version: nucl-th/9901072v2 · doi: 10.48550/arxiv.nucl-th/9901072 · pith_short_12: WN6AEDG3XIIR · pith_short_16: WN6AEDG3XIIRYB65 · pith_short_8: WN6AEDG3

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/WN6AEDG3XIIRYB65LNDIGVSFNV \
  | 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: b37c020cdbba111c07dd5b468356456d6b2b000312e3131c9c406514102b3973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f9c3667478de74f3363c1eb277e19e77ea5d5af881984f7296c11139212fefc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-th",
    "submitted_at": "1999-01-25T15:09:08Z",
    "title_canon_sha256": "ed2a1c53007c1244f250889fd9d2cd923a68b00d2b0a1d90c0288d353fe3c22b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-th/9901072",
    "kind": "arxiv",
    "version": 2
  }
}