Pith Number

pith:AVA4GYH7

pith:2009:AVA4GYH7UASOFECKHRKMESFQ3A

not attested not anchored not stored refs pending

The DarkStars code: a publicly available dark stellar evolution package

Joakim Edsj\"o, Malcolm Fairbairn, Pat Scott

arxiv:0904.2395 v1 · 2009-04-16 · astro-ph.CO · astro-ph.GA · astro-ph.HE · astro-ph.SR · hep-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{AVA4GYH7UASOFECKHRKMESFQ3A}

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	2026-05-18T00:59:32.772894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0541c360ffa024e2904a3c54c248b0d80323b000b0909d8a4a25b0048c4dc28a

Aliases

arxiv: 0904.2395 · arxiv_version: 0904.2395v1 · doi: 10.48550/arxiv.0904.2395 · pith_short_12: AVA4GYH7UASO · pith_short_16: AVA4GYH7UASOFECK · pith_short_8: AVA4GYH7

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/AVA4GYH7UASOFECKHRKMESFQ3A \
  | 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: 0541c360ffa024e2904a3c54c248b0d80323b000b0909d8a4a25b0048c4dc28a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2537c7bf9a21c31d6db48c24ddb73055922d00843eefff5f3348fca5783df1f",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.SR",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-16T15:49:48Z",
    "title_canon_sha256": "6124fdf24e6e9b30be4814b7465af7b5e4b06387f440728a7d5b06f9e40b2df1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2395",
    "kind": "arxiv",
    "version": 1
  }
}