Pith Number

pith:4NC5ZFHQ

pith:1997:4NC5ZFHQXFZY2WYKOXTT5YBQLR

not attested not anchored not stored refs pending

The "Tip" of the Red Giant Branch as a distance indicator: results from evolutionary models

M. Salaris (Max-Planck-Institut fur Astrophysik), S. Cassisi (Universita' de L'Aquila)

arxiv:astro-ph/9703186 v1 · 1997-03-27 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4NC5ZFHQXFZY2WYKOXTT5YBQLR}

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.

Cited by

1 paper in Pith

Expanding Ejecta Method: I. Mapping Supernova Morphology with Intensity Interferometry

Receipt and verification

First computed	2026-05-18T01:40:17.904547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e345dc94f0b9738d5b0a75e73ee0305c6536d621fce1c8042919d9d749093043

Aliases

arxiv: astro-ph/9703186 · arxiv_version: astro-ph/9703186v1 · doi: 10.48550/arxiv.astro-ph/9703186 · pith_short_12: 4NC5ZFHQXFZY · pith_short_16: 4NC5ZFHQXFZY2WYK · pith_short_8: 4NC5ZFHQ

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/4NC5ZFHQXFZY2WYKOXTT5YBQLR \
  | 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: e345dc94f0b9738d5b0a75e73ee0305c6536d621fce1c8042919d9d749093043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a00be12e794c80489a7ce1709869d662a9d9957a8c57efa03998f63329aa19",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-27T18:23:08Z",
    "title_canon_sha256": "670a03ae0608c0b6e5fcf33ba59fd09f9c46938a06899cba680e9790be62a0d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703186",
    "kind": "arxiv",
    "version": 1
  }
}