Pith Number

pith:V7XO6A23

pith:2005:V7XO6A23DISZBY3MOFCQJYP3KG

not attested not anchored not stored refs pending

Discovery of Five New R Coronae Borealis Stars in the MACHO Galactic Bulge Database

A. Zaniewski, D. L. Welch, D. Minniti, Geoffrey C. Clayton, Karl D. Gordon, K. H. Cook

arxiv:astro-ph/0507554 v3 · 2005-07-22 · 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{V7XO6A23DISZBY3MOFCQJYP3KG}

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	2026-05-18T01:07:30.955809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afeeef035b1a2590e36c714504e1fb51b0afe7576bc2a29e46e829af0fa93a85

Aliases

arxiv: astro-ph/0507554 · arxiv_version: astro-ph/0507554v3 · doi: 10.48550/arxiv.astro-ph/0507554 · pith_short_12: V7XO6A23DISZ · pith_short_16: V7XO6A23DISZBY3M · pith_short_8: V7XO6A23

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/V7XO6A23DISZBY3MOFCQJYP3KG \
  | 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: afeeef035b1a2590e36c714504e1fb51b0afe7576bc2a29e46e829af0fa93a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f897f72dc449e40c4630242c5f7aab23ccbb639494da4db1135dfbd3707834e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-22T21:28:49Z",
    "title_canon_sha256": "ee13f9b013373b2e9c0efbb4bd21b96dea8985d54a88de3230ee67a3c496040d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507554",
    "kind": "arxiv",
    "version": 3
  }
}