Pith Number

pith:FHCTRRWV

pith:2011:FHCTRRWVWHL43ESKMMP3B2QIT4

not attested not anchored not stored refs pending

Coordinates and 2MASS and OGLE identifications for all stars in Arp's 1965 finding chart for Baade's Window

Jennifer A. Johnson, Ross P. Church, Sofia Feltzing

arxiv:1103.5462 v1 · 2011-03-28 · 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{FHCTRRWVWHL43ESKMMP3B2QIT4}

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	2026-05-18T02:02:43.979611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29c538c6d5b1d7cd924a631fb0ea089f1676fa9c2665b6fe9344adb6f468c451

Aliases

arxiv: 1103.5462 · arxiv_version: 1103.5462v1 · doi: 10.48550/arxiv.1103.5462 · pith_short_12: FHCTRRWVWHL4 · pith_short_16: FHCTRRWVWHL43ESK · pith_short_8: FHCTRRWV

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/FHCTRRWVWHL43ESKMMP3B2QIT4 \
  | 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: 29c538c6d5b1d7cd924a631fb0ea089f1676fa9c2665b6fe9344adb6f468c451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d45c2c4c7c21e691be66cd58fa2df4dc3098ed11a9b47d9ce470e73c4d19b73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-28T20:00:04Z",
    "title_canon_sha256": "b5b41d29ba64eb54b157a7936c1fde8bb1eca08c7e9c96488da8daa424a39b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5462",
    "kind": "arxiv",
    "version": 1
  }
}