Pith Number

pith:37QAKDKC

pith:2016:37QAKDKCTF4WG4HXXWNKS7CWOO

not attested not anchored not stored refs pending

The influential effect of blending, bump, changing period and eclipsing Cepheids on the Leavitt law

A. Garc\'ia-Varela (1), B. E. Sabogal (1), Colombia), Colombia. 2. Universidad Nacional de Colombia - Sede Bogot\'a - Observatorio Astron\'omico, Colombia. 3. Universidad de los Andes, Departamento de F\'isica, Departamento de Ingenier\'ia Industrial, J. Mart\'inez (3) (1. Universidad de los Andes, J. R. Mu\~noz (1), S. Vargas Dom\'inguez (2)

arxiv:1604.04814 v1 · 2016-04-17 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37QAKDKCTF4WG4HXXWNKS7CWOO}

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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	2026-05-18T01:12:03.847581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe0050d4299796370f7bd9aa97c56739300803880e257d00a3294042dfa3d9c

Aliases

arxiv: 1604.04814 · arxiv_version: 1604.04814v1 · doi: 10.48550/arxiv.1604.04814 · pith_short_12: 37QAKDKCTF4W · pith_short_16: 37QAKDKCTF4WG4HX · pith_short_8: 37QAKDKC

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/37QAKDKCTF4WG4HXXWNKS7CWOO \
  | 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: dfe0050d4299796370f7bd9aa97c56739300803880e257d00a3294042dfa3d9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fbe7a173f191bcfd94a0a3e570a18ae313dcad9da01f518ecf38dfd75646b55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-17T00:36:55Z",
    "title_canon_sha256": "2c1be3e50873579304c3f117624ff055958745ad5de16f402a0155c89ffcb979"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04814",
    "kind": "arxiv",
    "version": 1
  }
}