Pith Number

pith:L7EGR2YY

pith:2017:L7EGR2YYDB7B5YY7F5PPPQBMFW

not attested not anchored not stored refs pending

Abundance anomalies in red giants with possible extragalactic origins unveiled by APOGEE-2

A. C. Robin, D. Geisler, E. Moreno, J. G. Fern\'andez-Trincado, O. Zamora, S. Villanova

arxiv:1710.07433 v1 · 2017-10-20 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7EGR2YYDB7B5YY7F5PPPQBMFW}

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	2026-05-18T00:32:24.817931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc868eb18187e1ee31f2f5ef7c02c2d924dd7f4e6dc084ad2ef87f4dcaca7b0

Aliases

arxiv: 1710.07433 · arxiv_version: 1710.07433v1 · doi: 10.48550/arxiv.1710.07433 · pith_short_12: L7EGR2YYDB7B · pith_short_16: L7EGR2YYDB7B5YY7 · pith_short_8: L7EGR2YY

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/L7EGR2YYDB7B5YY7F5PPPQBMFW \
  | 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: 5fc868eb18187e1ee31f2f5ef7c02c2d924dd7f4e6dc084ad2ef87f4dcaca7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "724e81580adf084bbc7cce598a3f8bfafe61b2c94134ec94e59d0bbc3b52567e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-10-20T07:12:04Z",
    "title_canon_sha256": "bc16eb510069cab10c4f5da3c49eebb40de1d603a2a538d61f31bc9e0ee01a03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07433",
    "kind": "arxiv",
    "version": 1
  }
}