pith. sign in
Pith Number

pith:42UTOJL5

pith:2012:42UTOJL54AAR2XMT2SHYLYK3RH
not attested not anchored not stored refs pending

Semirelativistic $1s-2s$ excitation of atomic hydrogen by electron impact

B. Manaut, L. Oufni, S. Taj

arxiv:1211.0483 v1 · 2012-11-02 · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{42UTOJL54AAR2XMT2SHYLYK3RH}

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 2026-05-18T03:41:40.801980Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e6a937257de0011d5d93d48f85e15b89ee0c800793f4ae0e1eec15206ea0779b

Aliases

arxiv: 1211.0483 · arxiv_version: 1211.0483v1 · doi: 10.48550/arxiv.1211.0483 · pith_short_12: 42UTOJL54AAR · pith_short_16: 42UTOJL54AAR2XMT · pith_short_8: 42UTOJL5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/42UTOJL54AAR2XMT2SHYLYK3RH \
  | 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: e6a937257de0011d5d93d48f85e15b89ee0c800793f4ae0e1eec15206ea0779b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "04209f79922fec1a1e7793b5debbf6bd306c205708e87468c431946dd5680320",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-11-02T16:17:38Z",
    "title_canon_sha256": "1a021cd544f125f5c1b7f4d79707ed11ef2cfc0bfcf6ec5c3db43e7fd193fba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0483",
    "kind": "arxiv",
    "version": 1
  }
}