Pith Number

pith:ZCMPRNT2

pith:2008:ZCMPRNT2YCJY6ULDELSFH2JFE7

not attested not anchored not stored refs pending

The photospheric solar oxygen project: I. Abundance analysis of atomic lines and influence of atmospheric models

Bernd Freytag (CRAL), Bertrand Plez (GRAAL), Cifist, CIFIST), Elisabetta Caffau (GEPI), Hans-G. Ludwig (GEPI, INAF-OAT), Matthias Steffen (AIP), Piercarlo Bonifacio (GEPI, Roger Cayrel (GEPI), Thomas R. Ayres (CASA)

arxiv:0805.4398 v1 · 2008-05-28 · 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{ZCMPRNT2YCJY6ULDELSFH2JFE7}

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	2026-05-18T02:35:22.109453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c898f8b67ac0938f516322e453e92527effc5d120d761c76bdafaf5124f6c54f

Aliases

arxiv: 0805.4398 · arxiv_version: 0805.4398v1 · doi: 10.48550/arxiv.0805.4398 · pith_short_12: ZCMPRNT2YCJY · pith_short_16: ZCMPRNT2YCJY6ULD · pith_short_8: ZCMPRNT2

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/ZCMPRNT2YCJY6ULDELSFH2JFE7 \
  | 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: c898f8b67ac0938f516322e453e92527effc5d120d761c76bdafaf5124f6c54f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c98fac7232be181b64ba5aff7f6a0e4f127cec14130f353a9a5f0eb90905088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-28T18:22:47Z",
    "title_canon_sha256": "552ef9074f2db9fe8e2f2dabb82779d3f4f19a8ca048a5d539b54efff2d7de6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.4398",
    "kind": "arxiv",
    "version": 1
  }
}