Pith Number

pith:U4LM6JH5

pith:2019:U4LM6JH5GNAM6MRCOHG7PPIUMD

not attested not anchored not stored refs pending

Constant light element abundances suggest that the extended P1 in NGC 2808 is not a consequence of CNO-cycle nucleosynthesis

A. Mucciarelli, C. Lardo, I. Cabrera-Ziri

arxiv:1903.03621 v1 · 2019-03-08 · astro-ph.GA · 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{U4LM6JH5GNAM6MRCOHG7PPIUMD}

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	2026-05-17T23:50:55.169208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a716cf24fd3340cf322271cdf7bd1460ed8a02293579045f18fc3cf71a6d8864

Aliases

arxiv: 1903.03621 · arxiv_version: 1903.03621v1 · doi: 10.48550/arxiv.1903.03621 · pith_short_12: U4LM6JH5GNAM · pith_short_16: U4LM6JH5GNAM6MRC · pith_short_8: U4LM6JH5

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/U4LM6JH5GNAM6MRCOHG7PPIUMD \
  | 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: a716cf24fd3340cf322271cdf7bd1460ed8a02293579045f18fc3cf71a6d8864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb845c077f70c16d046a662ff785c985b6ef77d97c4eb7256d46debfaf596184",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-08T19:00:01Z",
    "title_canon_sha256": "ed8599c1a5f775a9ae1ef7c80077f0fe8f271e1765482bbc9243a7ec8bcdcb62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03621",
    "kind": "arxiv",
    "version": 1
  }
}