Pith Number

pith:LMVGUD4A

pith:2013:LMVGUD4A7EIGPJVWRPAMOUXZFQ

not attested not anchored not stored refs pending

NGC 7419 as a template for red supergiant clusters

Amparo Marco, Ignacio Negueruela

arxiv:1302.5649 v1 · 2013-02-22 · 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{LMVGUD4A7EIGPJVWRPAMOUXZFQ}

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	2026-05-18T01:51:34.003457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b2a6a0f80f91067a6b68bc0c752f92c05afa8f6f8ee4a13a5dcec3931d7f023

Aliases

arxiv: 1302.5649 · arxiv_version: 1302.5649v1 · doi: 10.48550/arxiv.1302.5649 · pith_short_12: LMVGUD4A7EIG · pith_short_16: LMVGUD4A7EIGPJVW · pith_short_8: LMVGUD4A

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/LMVGUD4A7EIGPJVWRPAMOUXZFQ \
  | 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: 5b2a6a0f80f91067a6b68bc0c752f92c05afa8f6f8ee4a13a5dcec3931d7f023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490af07416e509d700437ecbb80bc92e8397aead1c1693c2bc5cd2f798d8885c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-22T17:13:17Z",
    "title_canon_sha256": "c888dd08fbe07db629a559149abb102eb13787bc6f8c6385ca377013f88e9d36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5649",
    "kind": "arxiv",
    "version": 1
  }
}