Pith Number

pith:KZVH4UR7

pith:1999:KZVH4UR7DU74RMARJXCD7NMBDM

not attested not anchored not stored refs pending

Stellar Populations and the Local Group Membership of the Dwarf Galaxy DDO 210

Antonio Aparicio, Eunhyeuk Kim, Myung Gyoon Lee, Nikolay Tikonov, Yong-Ik Byun

arxiv:astro-ph/9905060 v2 · 1999-05-06 · 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{KZVH4UR7DU74RMARJXCD7NMBDM}

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	2026-07-04T16:11:10.953907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

566a7e523f1d3fc8b0114dc43fb5811b12630b4575da443bc7d15ea282ae8e94

Aliases

arxiv: astro-ph/9905060 · arxiv_version: astro-ph/9905060v2 · doi: 10.48550/arxiv.astro-ph/9905060 · pith_short_12: KZVH4UR7DU74 · pith_short_16: KZVH4UR7DU74RMAR · pith_short_8: KZVH4UR7

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/KZVH4UR7DU74RMARJXCD7NMBDM \
  | 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: 566a7e523f1d3fc8b0114dc43fb5811b12630b4575da443bc7d15ea282ae8e94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbab74052c5686556290c2335b5e4dbdfe513d31809e03a31090eb5992eda54c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-06T08:00:04Z",
    "title_canon_sha256": "1cc3dfaba10dd8e1b4e7ba338008c687033647f0b4a975371b666d68753c5a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905060",
    "kind": "arxiv",
    "version": 2
  }
}