Pith Number

pith:LPRTIEFN

pith:2020:LPRTIEFNCMOH57LWXZNBHKWJJW

not attested not anchored not stored refs pending

The age of the Milky Way inner stellar spheroid from RR Lyrae population synthesis

A. Koch, A. Kunder, A. Savino, R. Smolec, Z. Prudil

arxiv:2006.12507 v1 · 2020-06-22 · 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{LPRTIEFNCMOH57LWXZNBHKWJJW}

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	2026-07-05T01:35:34.847520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be33410ad131c7efd76be5a13aac94db141d0b83ae707f74f4524535173b650

Aliases

arxiv: 2006.12507 · arxiv_version: 2006.12507v1 · doi: 10.48550/arxiv.2006.12507 · pith_short_12: LPRTIEFNCMOH · pith_short_16: LPRTIEFNCMOH57LW · pith_short_8: LPRTIEFN

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/LPRTIEFNCMOH57LWXZNBHKWJJW \
  | 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: 5be33410ad131c7efd76be5a13aac94db141d0b83ae707f74f4524535173b650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "251c529057fd43b4f2abaa5e53e815dd7f6f52c542a5910459162a16c85b49d6",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-22T18:00:01Z",
    "title_canon_sha256": "699b5ddaf25df36a64c7c9db46ce8a206794359d0f6da420f0279899e9d4aeda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.12507",
    "kind": "arxiv",
    "version": 1
  }
}