Pith Number

pith:PGPNJAD3

pith:2015:PGPNJAD3J6WXHMWCXFCROSHWAO

not attested not anchored not stored refs pending

Iron-Group Abundances in the Metal-Poor Main Sequence Turnoff Star HD~84937

Chiaki Kobayashi, Christopher Sneden, Elizabeth A. Den Hartog, James E. Lawler, John J. Cowan, Marco Pignatari, Michael P. Wood

arxiv:1511.05985 v1 · 2015-11-18 · 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{PGPNJAD3J6WXHMWCXFCROSHWAO}

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	2026-05-18T01:21:51.749638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

799ed4807b4fad73b2c2b9451748f603b7ff838ff428a6c03fe7679d264bc2cd

Aliases

arxiv: 1511.05985 · arxiv_version: 1511.05985v1 · doi: 10.48550/arxiv.1511.05985 · pith_short_12: PGPNJAD3J6WX · pith_short_16: PGPNJAD3J6WXHMWC · pith_short_8: PGPNJAD3

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/PGPNJAD3J6WXHMWCXFCROSHWAO \
  | 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: 799ed4807b4fad73b2c2b9451748f603b7ff838ff428a6c03fe7679d264bc2cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6917a0a2325e0519c5bd41a9a6159b8717cd636d91a66ba310761cd5e48da986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-11-18T21:31:48Z",
    "title_canon_sha256": "ac12fbef41b774da65d0ec048377ca20b93c377709770a1434d8602fe55f42a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05985",
    "kind": "arxiv",
    "version": 1
  }
}