Pith Number

pith:4DV4JCD3

pith:2020:4DV4JCD3LQGEQXTVC4XQEJNWZW

not attested not anchored not stored refs pending

The Astrophysical Distance Scale III: Distance to the Local Group Galaxy WLM using Multi-Wavelength Observations of the Tip of the Red Giant Branch, Cepheids, and JAGB Stars

Abigail J. Lee, Andrew J. Monson, Barry F. Madore, Kayla A. Owens, Taylor J. Hoyt, Wendy L. Freedman

arxiv:2012.04536 v1 · 2020-12-08 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DV4JCD3LQGEQXTVC4XQEJNWZW}

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	2026-07-05T02:15:37.612964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ebc4887b5c0c485e75172f0225b6cd91ab0e1ba0d50b904e6cba1a0132a5b7

Aliases

arxiv: 2012.04536 · arxiv_version: 2012.04536v1 · doi: 10.48550/arxiv.2012.04536 · pith_short_12: 4DV4JCD3LQGE · pith_short_16: 4DV4JCD3LQGEQXTV · pith_short_8: 4DV4JCD3

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/4DV4JCD3LQGEQXTVC4XQEJNWZW \
  | 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: e0ebc4887b5c0c485e75172f0225b6cd91ab0e1ba0d50b904e6cba1a0132a5b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ef16ee8942829f07a663ea5a7a0126b039767c9398f896441770215dc096861",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-12-08T16:26:25Z",
    "title_canon_sha256": "d3f0bcb824f3dfad717826c8468bcd5607c6e07b42471545f378676bdde08e13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04536",
    "kind": "arxiv",
    "version": 1
  }
}