Pith Number

pith:VDZZ7KQ4

pith:2015:VDZZ7KQ4JQHCJOILKZWOFNCNNT

not attested not anchored not stored refs pending

Metal-poor stars towards the Galactic bulge - a population potpourri

Andreas Koch, Andrew McWilliam, George W. Preston, Ian B. Thompson

arxiv:1511.01490 v1 · 2015-11-04 · 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{VDZZ7KQ4JQHCJOILKZWOFNCNNT}

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	2026-05-18T01:19:01.737702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8f39faa1c4c0e24b90b566ce2b44d6ccf74b08f10ffc482975f0b54b721899a

Aliases

arxiv: 1511.01490 · arxiv_version: 1511.01490v1 · doi: 10.48550/arxiv.1511.01490 · pith_short_12: VDZZ7KQ4JQHC · pith_short_16: VDZZ7KQ4JQHCJOIL · pith_short_8: VDZZ7KQ4

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/VDZZ7KQ4JQHCJOILKZWOFNCNNT \
  | 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: a8f39faa1c4c0e24b90b566ce2b44d6ccf74b08f10ffc482975f0b54b721899a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34ff15721a81b98b45e287496a26b904b9aba9b36e451ce0278966953d477cf",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-11-04T21:00:01Z",
    "title_canon_sha256": "28319d477ecf59580553aba3fe5f763361a50936f2dfb94f4f583c9f14e4103d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01490",
    "kind": "arxiv",
    "version": 1
  }
}