Pith Number

pith:W2TGSFJM

pith:2020:W2TGSFJM4KSGY33AGGDPBTAFNU

not attested not anchored not stored refs pending

On the Influence of the Ionization-Recombination Processes on Hydrogen Plasma Polytropic Index

Albert M. Varonov, Iglika M. Dimitrova, Todor M. Mishonov

arxiv:2008.03565 v2 · 2020-08-08 · 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{W2TGSFJM4KSGY33AGGDPBTAFNU}

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	2026-07-05T02:59:53.605732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a669152ce2a46c6f603186f0cc056d079310d89ad023a1d2d67cb5aebcbfdf

Aliases

arxiv: 2008.03565 · arxiv_version: 2008.03565v2 · doi: 10.48550/arxiv.2008.03565 · pith_short_12: W2TGSFJM4KSG · pith_short_16: W2TGSFJM4KSGY33A · pith_short_8: W2TGSFJM

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/W2TGSFJM4KSGY33AGGDPBTAFNU \
  | 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: b6a669152ce2a46c6f603186f0cc056d079310d89ad023a1d2d67cb5aebcbfdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f8e94227fc4221a6bf6b94b9da7de05670913cc7d5c4ee4dd5c5597a8bd9568",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-08T17:46:11Z",
    "title_canon_sha256": "f051b0efd5cc6096a6cc06aa20e15cfdcbd5360e659f0515297a1ffeda80d5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.03565",
    "kind": "arxiv",
    "version": 2
  }
}