Pith Number

pith:IDRZYJMP

pith:2013:IDRZYJMPCSBYIMHZGF6SFB5REZ

not attested not anchored not stored refs pending

Ages of young stars

David R. Soderblom, Eric E. Mamajek, Lynne A. Hillenbrand, Rob D. Jeffries, Tim Naylor

arxiv:1311.7024 v1 · 2013-11-27 · 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{IDRZYJMPCSBYIMHZGF6SFB5REZ}

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	2026-05-18T01:46:05.552371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40e39c258f14838430f9317d2287b12669f5191ad5998cc96a26a84b913ad384

Aliases

arxiv: 1311.7024 · arxiv_version: 1311.7024v1 · doi: 10.48550/arxiv.1311.7024 · pith_short_12: IDRZYJMPCSBY · pith_short_16: IDRZYJMPCSBYIMHZ · pith_short_8: IDRZYJMP

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/IDRZYJMPCSBYIMHZGF6SFB5REZ \
  | 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: 40e39c258f14838430f9317d2287b12669f5191ad5998cc96a26a84b913ad384

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7757cd650d8713563529a28c11e5748c211e4a709c605e96f31a91bf8f907a65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-27T16:05:32Z",
    "title_canon_sha256": "6dafe8f020f044d6964c3596943820a7c2b599eb1e32ddf028d57ff8ede8ef90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.7024",
    "kind": "arxiv",
    "version": 1
  }
}