Pith Number

pith:S7BJTCAD

pith:2014:S7BJTCADXJ27HT55Q5BSZKKOXK

not attested not anchored not stored refs pending

On the proper use of the Schwarzschild and Ledoux criteria in stellar evolution computations

Andrea Miglio, Arlette Noels, Josefina Montalban, Maurice Gabriel

arxiv:1405.0128 v1 · 2014-05-01 · 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{S7BJTCADXJ27HT55Q5BSZKKOXK}

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	2026-05-18T02:42:07.890222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97c2998803ba75f3cfbd87432ca94ebab67d6bf438a11047696aa74cfdb50ed2

Aliases

arxiv: 1405.0128 · arxiv_version: 1405.0128v1 · doi: 10.48550/arxiv.1405.0128 · pith_short_12: S7BJTCADXJ27 · pith_short_16: S7BJTCADXJ27HT55 · pith_short_8: S7BJTCAD

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/S7BJTCADXJ27HT55Q5BSZKKOXK \
  | 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: 97c2998803ba75f3cfbd87432ca94ebab67d6bf438a11047696aa74cfdb50ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e85593d2adedc8ec194f1b91b3328d8521cf3e33ced961a31d2d0a6d5b4717f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-05-01T10:36:48Z",
    "title_canon_sha256": "279d13063692f78d376e5cedf17201778b5c8dd4827a1c6e569af263ec5c1b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0128",
    "kind": "arxiv",
    "version": 1
  }
}