Pith Number

pith:73EN3BSN

pith:2002:73EN3BSN6XWMT2BAMBH5JJXIMX

not attested not anchored not stored refs pending

Spectroscopic Detection of a Stellar-like Photosphere in an Accreting Protostar

Charles J. Lada, Thomas P. Greene

arxiv:astro-ph/0207515 v1 · 2002-07-23 · astro-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{73EN3BSN6XWMT2BAMBH5JJXIMX}

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.

Cited by

1 paper in Pith

The Accretion Process on Protostars

Receipt and verification

First computed	2026-07-04T16:30:26.170844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec8dd864df5ecc9e820604fd4a6e865dec77dba57367dc818e383033cdcb96f

Aliases

arxiv: astro-ph/0207515 · arxiv_version: astro-ph/0207515v1 · doi: 10.48550/arxiv.astro-ph/0207515 · pith_short_12: 73EN3BSN6XWM · pith_short_16: 73EN3BSN6XWMT2BA · pith_short_8: 73EN3BSN

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/73EN3BSN6XWMT2BAMBH5JJXIMX \
  | 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: fec8dd864df5ecc9e820604fd4a6e865dec77dba57367dc818e383033cdcb96f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0275cccedf06021b237e36fdb1b097f49ba8da0d8df62f4d7fd4b8ed759ca925",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-23T20:17:20Z",
    "title_canon_sha256": "29f662819abc0696cf7f27fe81d3d2132b3a16aa60580b07855513523f94cc85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207515",
    "kind": "arxiv",
    "version": 1
  }
}