Pith Number

pith:ISNDWZIB

pith:2022:ISNDWZIBQBSQGA7JSMOINSJVJP

not attested not anchored not stored refs pending

The Ages of Galactic Bulge Stars with Realistic Uncertainties

Christian I. Johnson, Iulia Simion, John Bourke, Meridith Joyce, R. Michael Rich, Tommaso Marchetti

arxiv:2205.07964 v2 · 2022-05-16 · astro-ph.SR · 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{ISNDWZIBQBSQGA7JSMOINSJVJP}

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	2026-07-05T05:55:38.752582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

449a3b650180650303e9931c86c9354bda2bb92a5c447342c5a1cf647b56c63e

Aliases

arxiv: 2205.07964 · arxiv_version: 2205.07964v2 · doi: 10.48550/arxiv.2205.07964 · pith_short_12: ISNDWZIBQBSQ · pith_short_16: ISNDWZIBQBSQGA7J · pith_short_8: ISNDWZIB

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/ISNDWZIBQBSQGA7JSMOINSJVJP \
  | 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: 449a3b650180650303e9931c86c9354bda2bb92a5c447342c5a1cf647b56c63e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f95f9035c89226293596d87438a24146c1a87bbb4275ab6cd2345bc34969f9f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-05-16T20:02:01Z",
    "title_canon_sha256": "811f12765a45b20a2317a613104e5b8613ec3f035209c2d31391aa2f957f004d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.07964",
    "kind": "arxiv",
    "version": 2
  }
}