Pith Number

pith:IV2NSTGG

pith:2001:IV2NSTGGCBLV52IXPBC7EALSFO

not attested not anchored not stored refs pending

The 'Forbidden' Abundance of Oxygen in the Sun

(2) Uppsala Astronomiska Observatorium), Carlos Allende Prieto (1), David L. Lambert (1), Martin Asplund (2) ((1) The University of Texas at Austin

arxiv:astro-ph/0106360 v1 · 2001-06-20 · 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{IV2NSTGGCBLV52IXPBC7EALSFO}

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	2026-05-18T01:07:45.722620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4574d94cc610575ee9177845f201722ba86bcf81f87eb9d2121f6cbc93265132

Aliases

arxiv: astro-ph/0106360 · arxiv_version: astro-ph/0106360v1 · doi: 10.48550/arxiv.astro-ph/0106360 · pith_short_12: IV2NSTGGCBLV · pith_short_16: IV2NSTGGCBLV52IX · pith_short_8: IV2NSTGG

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/IV2NSTGGCBLV52IXPBC7EALSFO \
  | 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: 4574d94cc610575ee9177845f201722ba86bcf81f87eb9d2121f6cbc93265132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2413ab51a47710171d3f6a2738c6121d9f5afdc4ade5ce74d82991ee16dfa354",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-20T15:25:22Z",
    "title_canon_sha256": "3cd8d70882777dff73a14d07e69e5ab6ba2edaebcb030f533c85ae3a85658223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106360",
    "kind": "arxiv",
    "version": 1
  }
}