Pith Number

pith:AWINGEZC

pith:1998:AWINGEZC2V3F7YYG4UXFWBQ3B7

not attested not anchored not stored refs pending

The origin of carbon, investigated by spectral analysis of solar-type stars in the Galactic Disk

B. Edvardsson, B. Gustafsson, E. Olsson, N. Ryde, T. Karlsson

arxiv:astro-ph/9811303 v1 · 1998-11-20 · 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{AWINGEZC2V3F7YYG4UXFWBQ3B7}

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	2026-05-18T04:21:39.974103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0590d31322d5765fe306e52e5b061b0ff373b557360ccad6143be96bf0702afb

Aliases

arxiv: astro-ph/9811303 · arxiv_version: astro-ph/9811303v1 · doi: 10.48550/arxiv.astro-ph/9811303 · pith_short_12: AWINGEZC2V3F · pith_short_16: AWINGEZC2V3F7YYG · pith_short_8: AWINGEZC

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/AWINGEZC2V3F7YYG4UXFWBQ3B7 \
  | 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: 0590d31322d5765fe306e52e5b061b0ff373b557360ccad6143be96bf0702afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "779651ecf3ccaa469cbe77ec9b4a583eaea924df9810997673a390bbcf293b4e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-20T01:06:02Z",
    "title_canon_sha256": "695eabcdb7f7bb04d81ccba3bbc8b45ef650c5c3e5755d1b9f53596f2c58a7f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811303",
    "kind": "arxiv",
    "version": 1
  }
}