Pith Number

pith:DZKXBNCW

pith:2015:DZKXBNCW7M4LSHVLLA7WSTHPGD

not attested not anchored not stored refs pending

Abundances of carbon-enhanced metal-poor stars as constraints on their formation

B. Nordstroem, C. Chiappini, C.J. Hansen, C.R. Kennedy, G. Cescutti, J. Andersen, T.C. Beers, T.T. Hansen, V.M. Placco

arxiv:1511.07812 v1 · 2015-11-24 · 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{DZKXBNCW7M4LSHVLLA7WSTHPGD}

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	2026-05-18T01:18:54.101161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e5570b456fb38b91eab583f694cef30d7864936d4f52c4fd3b9121b58f278c5

Aliases

arxiv: 1511.07812 · arxiv_version: 1511.07812v1 · doi: 10.48550/arxiv.1511.07812 · pith_short_12: DZKXBNCW7M4L · pith_short_16: DZKXBNCW7M4LSHVL · pith_short_8: DZKXBNCW

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/DZKXBNCW7M4LSHVLLA7WSTHPGD \
  | 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: 1e5570b456fb38b91eab583f694cef30d7864936d4f52c4fd3b9121b58f278c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac1c4246ede2d9a6debe9e10764607cd59ba824837fcaaeacb2db463ad866f70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-24T17:19:25Z",
    "title_canon_sha256": "eb93c14ec3bed5bc1e3252c6029bd4681c016ef3f1562df5fe6a26b0494954a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07812",
    "kind": "arxiv",
    "version": 1
  }
}