Pith Number

pith:F7NI7XPF

pith:2004:F7NI7XPFV3665VQGJL57A6F5KN

not attested not anchored not stored refs pending

EROS 2 photometry of probable R Coronae Borealis stars in the Small Magellanic Cloud

et al. (The EROS Collaboration), J. B. Marquette, J. P. Beaulieu, P. de Laverny, P. Tisserand

arxiv:astro-ph/0405551 v1 · 2004-05-27 · 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{F7NI7XPFV3665VQGJL57A6F5KN}

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	2026-07-04T16:43:51.515727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fda8fdde5aefdeed6064afbf078bd534ac4ce90fbfa9d2697ff5ac3dd0320e1

Aliases

arxiv: astro-ph/0405551 · arxiv_version: astro-ph/0405551v1 · doi: 10.48550/arxiv.astro-ph/0405551 · pith_short_12: F7NI7XPFV366 · pith_short_16: F7NI7XPFV3665VQG · pith_short_8: F7NI7XPF

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/F7NI7XPFV3665VQGJL57A6F5KN \
  | 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: 2fda8fdde5aefdeed6064afbf078bd534ac4ce90fbfa9d2697ff5ac3dd0320e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92633e40a6fc58118eda4bf75ffb397c02cb7ff3e7245b7b4c0e2e8c5001d454",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-27T15:18:44Z",
    "title_canon_sha256": "8cae58355bbbb7a05a8b71a026f5ae125a70c1022178ed3b67968d2df53ada54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405551",
    "kind": "arxiv",
    "version": 1
  }
}