Pith Number

pith:ZNRJS73K

pith:2019:ZNRJS73KEL4JQISVOABDJR3TSU

not attested not anchored not stored refs pending

Spectroscopy of LMC Cluster Stars

Andrea K. Dupree, Antonino P. Milone, Christian I. Johnson, Mario Mateo

arxiv:1910.12922 v1 · 2019-10-28 · 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{ZNRJS73KEL4JQISVOABDJR3TSU}

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	2026-07-05T00:48:20.133886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb62997f6a22f8982255700234c7739503547fa279765d37df6370ab3dee70d8

Aliases

arxiv: 1910.12922 · arxiv_version: 1910.12922v1 · doi: 10.48550/arxiv.1910.12922 · pith_short_12: ZNRJS73KEL4J · pith_short_16: ZNRJS73KEL4JQISV · pith_short_8: ZNRJS73K

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/ZNRJS73KEL4JQISVOABDJR3TSU \
  | 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: cb62997f6a22f8982255700234c7739503547fa279765d37df6370ab3dee70d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b715ca80ce5e8977ef5ff11dfba3c694c5d6c4a395774c0501da973a7eb8bac4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-28T19:26:46Z",
    "title_canon_sha256": "9d58d2b9216ee810cf45a867a3631700e94e685ff7bbcc40a997b09ade7f04af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12922",
    "kind": "arxiv",
    "version": 1
  }
}