Pith Number

pith:AFVJ3NRF

pith:2019:AFVJ3NRF4NONKAA2E2VHORQ5BL

not attested not anchored not stored refs pending

Measuring Star-Formation Histories, Distances, and Metallicities with Pixel Color-Magnitude Diagrams I: Model Definition and Mock Tests

(2) Astronomy Department, B. A. Cook (1), Charlie Conroy (1), Joshua S. Speagle (1) ((1) Center for Astrophysics | Harvard & Smithsonian, Pieter van Dokkum (2), Yale University)

arxiv:1904.00011 v1 · 2019-03-29 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFVJ3NRF4NONKAA2E2VHORQ5BL}

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	2026-05-17T23:46:18.015791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

016a9db625e35cd5001a26aa77461d0aebfde98eca4192ecd409fe97af936674

Aliases

arxiv: 1904.00011 · arxiv_version: 1904.00011v1 · doi: 10.48550/arxiv.1904.00011 · pith_short_12: AFVJ3NRF4NON · pith_short_16: AFVJ3NRF4NONKAA2 · pith_short_8: AFVJ3NRF

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/AFVJ3NRF4NONKAA2E2VHORQ5BL \
  | 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: 016a9db625e35cd5001a26aa77461d0aebfde98eca4192ecd409fe97af936674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbadb7ed3e43e84fad7a6a890680b09e3e9381352cf6e7ad074823fcebc0d8eb",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-29T18:00:00Z",
    "title_canon_sha256": "21876ea634797750e53f4aa4f47f1d77d2c2da83be3e436b2ba5a06279d163ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00011",
    "kind": "arxiv",
    "version": 1
  }
}