Pith Number

pith:BJSZNVVL

pith:2001:BJSZNVVLAQZ7N3JTPRQHTZX25P

not attested not anchored not stored refs pending

Old Stellar Populations of the Small Magellanic Cloud

A. E. Dolphin, A. R. Walker, E. W. Olszewski, M. Mateo, N. B. Suntzeff, P. W. Hodge, R. A. Schommer

arxiv:astro-ph/0107164 v1 · 2001-07-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJSZNVVLAQZ7N3JTPRQHTZX25P}

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	2026-07-04T16:23:40.916450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a6596d6ab0433f6ed337c6079e6faebde0fea7204c8e084e095debe548fee39

Aliases

arxiv: astro-ph/0107164 · arxiv_version: astro-ph/0107164v1 · doi: 10.48550/arxiv.astro-ph/0107164 · pith_short_12: BJSZNVVLAQZ7 · pith_short_16: BJSZNVVLAQZ7N3JT · pith_short_8: BJSZNVVL

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/BJSZNVVLAQZ7N3JTPRQHTZX25P \
  | 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: 0a6596d6ab0433f6ed337c6079e6faebde0fea7204c8e084e095debe548fee39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e63705a12e68b0902c7e9e1f6f12250c32ddd766aba910934dc1e863a822e85",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-09T18:00:32Z",
    "title_canon_sha256": "2657e7d92e6e1e4d72b0d128c154a0b81213262bdcf4ceaae89f36d072dcdcd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107164",
    "kind": "arxiv",
    "version": 1
  }
}