Pith Number

pith:5SG2CBZL

pith:2018:5SG2CBZLZXRZEJVCDJEPNL5Y24

not attested not anchored not stored refs pending

New PARSEC database of alpha-enhanced stellar evolutionary tracks and isochrones I. Calibration with 47 Tuc (NGC104) and the improvement on RGB bump

Alessandro Bressan, Ambra Nanni, Josefina Montalban, Leo Girardi, Paola Marigo, Xiaoting Fu, Yang Chen

arxiv:1801.07137 v1 · 2018-01-22 · 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{5SG2CBZLZXRZEJVCDJEPNL5Y24}

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	2026-05-18T00:23:27.351736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec8da1072bcde39226a21a48f6afb8d721a2a011f92e0aec1788c7d8d16f279b

Aliases

arxiv: 1801.07137 · arxiv_version: 1801.07137v1 · doi: 10.48550/arxiv.1801.07137 · pith_short_12: 5SG2CBZLZXRZ · pith_short_16: 5SG2CBZLZXRZEJVC · pith_short_8: 5SG2CBZL

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/5SG2CBZLZXRZEJVCDJEPNL5Y24 \
  | 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: ec8da1072bcde39226a21a48f6afb8d721a2a011f92e0aec1788c7d8d16f279b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c92dfca3b28b141d42db4a916e2dc2bd15e7f8da085e5ca6615bda8c65d230a9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-22T15:31:17Z",
    "title_canon_sha256": "33dc7b06f6f41a6f62c4881a1b7c2c2d44a27ab387a80d123ce78bd126e56c99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07137",
    "kind": "arxiv",
    "version": 1
  }
}