Pith Number

pith:FAYCYFHU

pith:2011:FAYCYFHUKBHEIT5UZQTLZWM6LD

not attested not anchored not stored refs pending

Event-by-event evaluation of the prompt fission neutron spectrum from 239Pu(n, f)

D. A. Brown, J. Randrup, M. A. Descalle, R. Vogt, W. E. Ormand

arxiv:1105.4655 v1 · 2011-05-23 · 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{FAYCYFHUKBHEIT5UZQTLZWM6LD}

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	2026-05-18T02:01:52.087951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28302c14f4504e444fb4cc26bcd99e58ede20c186631e107a270fccd16982cfc

Aliases

arxiv: 1105.4655 · arxiv_version: 1105.4655v1 · doi: 10.48550/arxiv.1105.4655 · pith_short_12: FAYCYFHUKBHE · pith_short_16: FAYCYFHUKBHEIT5U · pith_short_8: FAYCYFHU

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/FAYCYFHUKBHEIT5UZQTLZWM6LD \
  | 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: 28302c14f4504e444fb4cc26bcd99e58ede20c186631e107a270fccd16982cfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb20dbeb06e51247c5e71a4a2b236d6212f2fab0d32f09c9c5ee13cf3fc0e55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2011-05-23T23:16:53Z",
    "title_canon_sha256": "3a743b91aac990957b83f802954470373ff03d1765ad236a0a1dfff57a7ea25c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4655",
    "kind": "arxiv",
    "version": 1
  }
}