Pith Number

pith:X5L3EJMA

pith:2013:X5L3EJMAD3VLDZ5YEJUNJ2IU4T

not attested not anchored not stored refs pending

Current signatures and search for Pop. III stars in the Local Universe

Masayuki Fujimoto, Takuma Suda, Yutaka Komiya

arxiv:1312.5069 v1 · 2013-12-18 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X5L3EJMAD3VLDZ5YEJUNJ2IU4T}

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	2026-05-18T02:49:30.641078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf57b225801eeab1e7b82268d4e914e4e86ad7d6779b37bb888cae0cb3222ee9

Aliases

arxiv: 1312.5069 · arxiv_version: 1312.5069v1 · doi: 10.48550/arxiv.1312.5069 · pith_short_12: X5L3EJMAD3VL · pith_short_16: X5L3EJMAD3VLDZ5Y · pith_short_8: X5L3EJMA

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/X5L3EJMAD3VLDZ5YEJUNJ2IU4T \
  | 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: bf57b225801eeab1e7b82268d4e914e4e86ad7d6779b37bb888cae0cb3222ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8f6b0f73d2f8935a9d97324b6aafc2f8f96d372d1927ceec7d8ad581e23e608",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-18T09:22:59Z",
    "title_canon_sha256": "bf0558a769c73d697d01dca1c268be355a7f4165f44117e80183e7ee75ac8cba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5069",
    "kind": "arxiv",
    "version": 1
  }
}