Pith Number

pith:N6HFOOMU

pith:2006:N6HFOOMURQQYJMUMESYLCKMJFK

not attested not anchored not stored refs pending

The Araucaria Project. The Distance to the Local Group Galaxy IC 1613 from Near-Infrared Photometry of Cepheid Variables

F. Bresolin, G. Bono, G. Pietrzynski, I. Soszynski, J. Storm, M. Dall'Ora, R.P. Kudritzki, W. Gieren

arxiv:astro-ph/0601309 v1 · 2006-01-14 · 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{N6HFOOMURQQYJMUMESYLCKMJFK}

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	2026-07-04T16:57:47.754985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f8e5739948c2184b28c24b0b129892a98b1578720e447752cbeca9c74c73bf5

Aliases

arxiv: astro-ph/0601309 · arxiv_version: astro-ph/0601309v1 · doi: 10.48550/arxiv.astro-ph/0601309 · pith_short_12: N6HFOOMURQQY · pith_short_16: N6HFOOMURQQYJMUM · pith_short_8: N6HFOOMU

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/N6HFOOMURQQYJMUMESYLCKMJFK \
  | 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: 6f8e5739948c2184b28c24b0b129892a98b1578720e447752cbeca9c74c73bf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "036814bbd7f9b063ec1dffe22d3507c6ec805b1e6b496abc10e8593972304528",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-14T21:49:09Z",
    "title_canon_sha256": "06b34580e8858ab0c28a9f48043ba94c59894aa4b8e897b7604a79803f53a9e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601309",
    "kind": "arxiv",
    "version": 1
  }
}