Pith Number

pith:54XD2Z4E

pith:2012:54XD2Z4EMWL5QDUQTBM2FNR5Q3

not attested not anchored not stored refs pending

Comment on "Four-body charge transfer processes in proton--helium collisions"

Salim Houamer, Yuri V. Popov

arxiv:1207.1251 v1 · 2012-07-05 · physics.atom-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{54XD2Z4EMWL5QDUQTBM2FNR5Q3}

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	2026-05-18T01:56:34.329965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef2e3d67846597d80e909859a2b63d86c9a6bd94e2f9ee83cc891a5eb5ae675b

Aliases

arxiv: 1207.1251 · arxiv_version: 1207.1251v1 · doi: 10.48550/arxiv.1207.1251 · pith_short_12: 54XD2Z4EMWL5 · pith_short_16: 54XD2Z4EMWL5QDUQ · pith_short_8: 54XD2Z4E

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/54XD2Z4EMWL5QDUQTBM2FNR5Q3 \
  | 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: ef2e3d67846597d80e909859a2b63d86c9a6bd94e2f9ee83cc891a5eb5ae675b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "033bc08da74c82fa9bf7bcac719933857aea3f2213e5e5d0738a6f11006caf88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-07-05T13:39:30Z",
    "title_canon_sha256": "b0a42dc6b5bb0d9810a9efe670e1d12d83b7ec61c59a529f948c97642801b860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1251",
    "kind": "arxiv",
    "version": 1
  }
}