Pith Number

pith:HU2RVSIC

pith:2019:HU2RVSICEL27GORXPSP5PSJAFK

not attested not anchored not stored refs pending

Variable stars in Palomar 13; an evaporating globular cluster

A. Arellano Ferro, Christine Allen, K.P. Schroeder, M. A. Yepeza, S. Muneer, Sunetra Giridhar

arxiv:1902.08085 v1 · 2019-02-21 · astro-ph.SR · 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{HU2RVSICEL27GORXPSP5PSJAFK}

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	2026-05-17T23:53:02.113399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d351ac90222f5f33a377c9fd7c9202aba40b055d8f60952855cf02d297d891f

Aliases

arxiv: 1902.08085 · arxiv_version: 1902.08085v1 · doi: 10.48550/arxiv.1902.08085 · pith_short_12: HU2RVSICEL27 · pith_short_16: HU2RVSICEL27GORX · pith_short_8: HU2RVSIC

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/HU2RVSICEL27GORXPSP5PSJAFK \
  | 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: 3d351ac90222f5f33a377c9fd7c9202aba40b055d8f60952855cf02d297d891f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183de40e16c96e64fde3ee4ab678b9c37800fb7a6b706a06262098f590d8b3af",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-21T14:58:55Z",
    "title_canon_sha256": "1ce1be6fcba54cf23ab170a472c7df27182ad3f68f3e42498703172db65a0c04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08085",
    "kind": "arxiv",
    "version": 1
  }
}