Pith Number

pith:FDAQ4BIW

pith:2017:FDAQ4BIWZAXO57QK7HVJ2KYUIM

not attested not anchored not stored refs pending

Non-relativistic free-free emission due to $n-$distribution of electrons - Radiative cooling and thermally averaged and total Gaunt factors

Dieter Breitschwerdt (TU Berlin, Germany), Miguel A. de Avillez (U. Evora, Portugal, TU Berlin

arxiv:1707.05291 v1 · 2017-07-17 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDAQ4BIWZAXO57QK7HVJ2KYUIM}

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	2026-05-18T00:34:47.112954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c10e0516c82eeefe0af9ea9d2b1443030f68eba5315e68ed6c8df5e449cebb

Aliases

arxiv: 1707.05291 · arxiv_version: 1707.05291v1 · doi: 10.48550/arxiv.1707.05291 · pith_short_12: FDAQ4BIWZAXO · pith_short_16: FDAQ4BIWZAXO57QK · pith_short_8: FDAQ4BIW

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/FDAQ4BIWZAXO57QK7HVJ2KYUIM \
  | 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: 28c10e0516c82eeefe0af9ea9d2b1443030f68eba5315e68ed6c8df5e449cebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e5ca28d8205a31cc105d1df251fbac217e8d6e69446400f9ac378efda887721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-07-17T17:32:39Z",
    "title_canon_sha256": "5a26dfc648a0a9e20d8cce4e5c264632b0ecd478ef8325576d93461c3310bf8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05291",
    "kind": "arxiv",
    "version": 1
  }
}