Pith Number

pith:4W7H2VDM

pith:2016:4W7H2VDMERDIR7AE7NER3G25JO

not attested not anchored not stored refs pending

Excitation and charge transfer in low-energy hydrogen atom collisions with neutral atoms: Theory, comparisons, and application to Ca

Paul S. Barklem

arxiv:1603.07097 v4 · 2016-03-23 · physics.atom-ph · astro-ph.IM · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4W7H2VDMERDIR7AE7NER3G25JO}

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	2026-05-18T01:15:41.489041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5be7d546c244688fc04fb491d9b5d4b97a2b114cbcacf7cd698bc37d748ba6e

Aliases

arxiv: 1603.07097 · arxiv_version: 1603.07097v4 · doi: 10.48550/arxiv.1603.07097 · pith_short_12: 4W7H2VDMERDI · pith_short_16: 4W7H2VDMERDIR7AE · pith_short_8: 4W7H2VDM

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/4W7H2VDMERDIR7AE7NER3G25JO \
  | 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: e5be7d546c244688fc04fb491d9b5d4b97a2b114cbcacf7cd698bc37d748ba6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd8f21b499c456f70ea48caeed2c7d95f5a8659fd15bd639524b095f2531313",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-03-23T09:19:24Z",
    "title_canon_sha256": "76fa8fdf13611dbb35e3b210151a7b9894416c38a407fca7a4d8f2eb02f7db66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07097",
    "kind": "arxiv",
    "version": 4
  }
}