Pith Number

pith:KCAO5YHP

pith:2013:KCAO5YHPOPHBDC7FTB2RORMYH4

not attested not anchored not stored refs pending

Red Giant evolution and specific problems

Alessandro Bressan, Ambra Nanni, Leo Girardi, Paola Marigo, Stefano Rubele

arxiv:1301.7687 v1 · 2013-01-31 · 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{KCAO5YHPOPHBDC7FTB2RORMYH4}

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	2026-05-18T01:51:56.576202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5080eee0ef73ce118be598751745983f0e4ae76a77a439296a792573ed4ce039

Aliases

arxiv: 1301.7687 · arxiv_version: 1301.7687v1 · doi: 10.48550/arxiv.1301.7687 · pith_short_12: KCAO5YHPOPHB · pith_short_16: KCAO5YHPOPHBDC7F · pith_short_8: KCAO5YHP

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/KCAO5YHPOPHBDC7FTB2RORMYH4 \
  | 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: 5080eee0ef73ce118be598751745983f0e4ae76a77a439296a792573ed4ce039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d31d8d1fb1abdad78554c4887813bdaefbfbd42ed373f9d47a401eca054980c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-31T17:06:09Z",
    "title_canon_sha256": "dc7691eeadaba0878dc86acf1ec86206373349f4aadfebcbdf4f45d218fcb12f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7687",
    "kind": "arxiv",
    "version": 1
  }
}