Pith Number

pith:2FG5C2HE

pith:2018:2FG5C2HEE3DIA3AEVOPDYRUI6F

not attested not anchored not stored refs pending

An introductory study to white dwarfs

Marcelo Chiapparini, Santiago Esteban Perez Bergliaffa, S\'ilvia Pereira Nunes

arxiv:1804.09064 v2 · 2018-04-24 · 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{2FG5C2HEE3DIA3AEVOPDYRUI6F}

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	2026-05-18T00:12:43.182037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14dd168e426c6806c04ab9e3c4688f161bb62249edf3459395b789335cbafc8

Aliases

arxiv: 1804.09064 · arxiv_version: 1804.09064v2 · doi: 10.48550/arxiv.1804.09064 · pith_short_12: 2FG5C2HEE3DI · pith_short_16: 2FG5C2HEE3DIA3AE · pith_short_8: 2FG5C2HE

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/2FG5C2HEE3DIA3AEVOPDYRUI6F \
  | 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: d14dd168e426c6806c04ab9e3c4688f161bb62249edf3459395b789335cbafc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "877f324ceb9d3fcf671012ba0341001c7d8a8a7f354d0ccb3de55382e42190f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-24T14:25:52Z",
    "title_canon_sha256": "95637633e1cb21fa244676bfcbf9efdd435ea7c77b5eab822c244eecd5bc9333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09064",
    "kind": "arxiv",
    "version": 2
  }
}