Pith Number

pith:U5OOHIVN

pith:1998:U5OOHIVN6DRCUMQ5HUB7Q5BELI

not attested not anchored not stored refs pending

A WFPC2 Study of the Resolved Stellar Population of the Pegasus Dwarf Irregular Galaxy (DDO 216)

A. A. Cole, A. Saha, E. D. Skillman, Eline Tolstoy, J. G. Hoessel, J. S. Gallagher, M. Mateo, Robbie C. Dohm-Palmer

arxiv:astro-ph/9805284 v1 · 1998-05-21 · 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{U5OOHIVN6DRCUMQ5HUB7Q5BELI}

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	2026-07-04T16:06:42.055456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a75ce3a2adf0e22a321d3d03f874245a22ad2a8d37bb55bac2e5106739db8fe3

Aliases

arxiv: astro-ph/9805284 · arxiv_version: astro-ph/9805284v1 · doi: 10.48550/arxiv.astro-ph/9805284 · pith_short_12: U5OOHIVN6DRC · pith_short_16: U5OOHIVN6DRCUMQ5 · pith_short_8: U5OOHIVN

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/U5OOHIVN6DRCUMQ5HUB7Q5BELI \
  | 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: a75ce3a2adf0e22a321d3d03f874245a22ad2a8d37bb55bac2e5106739db8fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f58c3664f43faed22cdf714e283ae0198b40af8db87a60979d68004bc92661",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-05-21T10:13:01Z",
    "title_canon_sha256": "564e0e4d7ffd9253b505f211b37bf37f05cdc1090b61c32fca2daea300a1a735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9805284",
    "kind": "arxiv",
    "version": 1
  }
}