Pith Number

pith:5BC4CNCU

pith:2009:5BC4CNCUXZ7GWUGA6KHRHULZ2T

not attested not anchored not stored refs pending

Evidence for Disk Photoevaporation Driven by the Central Star

Ilaria Pascucci, Michael Sterzik

arxiv:0908.2367 v1 · 2009-08-17 · astro-ph.EP · 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{5BC4CNCUXZ7GWUGA6KHRHULZ2T}

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	2026-05-18T02:12:33.439977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e845c13454be7e6b50c0f28f13d179d4f7c69263edd94459360adefb6351b184

Aliases

arxiv: 0908.2367 · arxiv_version: 0908.2367v1 · doi: 10.48550/arxiv.0908.2367 · pith_short_12: 5BC4CNCUXZ7G · pith_short_16: 5BC4CNCUXZ7GWUGA · pith_short_8: 5BC4CNCU

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/5BC4CNCUXZ7GWUGA6KHRHULZ2T \
  | 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: e845c13454be7e6b50c0f28f13d179d4f7c69263edd94459360adefb6351b184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ac24e2182f2c731165d0ef11906da03b631301a7cbf05c79766a74dfcfe002d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-08-17T15:14:54Z",
    "title_canon_sha256": "30859860690610f8ed9724a299a84993a9009d8f1bb862262103316532a6b4e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2367",
    "kind": "arxiv",
    "version": 1
  }
}