Pith Number

pith:7WFRWBO4

pith:2012:7WFRWBO4RNUUTJ6EAPW76FPOTR

not attested not anchored not stored refs pending

Excitation and charge transfer in hydrogen-proton collisions at 5--80 keV and application to astrophysical shocks

Christopher M. Hirata, Dmitriy Tseliakhovich, Kevin Heng

arxiv:1201.4778 v2 · 2012-01-23 · astro-ph.HE · 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{7WFRWBO4RNUUTJ6EAPW76FPOTR}

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	2026-05-18T01:58:43.348194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd8b1b05dc8b6949a7c403edff15ee9c5c3bcffc2081d6486cc987dcb3747c02

Aliases

arxiv: 1201.4778 · arxiv_version: 1201.4778v2 · doi: 10.48550/arxiv.1201.4778 · pith_short_12: 7WFRWBO4RNUU · pith_short_16: 7WFRWBO4RNUUTJ6E · pith_short_8: 7WFRWBO4

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/7WFRWBO4RNUUTJ6EAPW76FPOTR \
  | 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: fd8b1b05dc8b6949a7c403edff15ee9c5c3bcffc2081d6486cc987dcb3747c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "401f05979a932cb59a9f901ffdc00c6cbed32608cb22a67628ea45961aa015be",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-23T17:27:48Z",
    "title_canon_sha256": "d10940809682030ba3977dfc6796164662dcc9c26081ee20292faddce166d7e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4778",
    "kind": "arxiv",
    "version": 2
  }
}