Pith Number

pith:R43QWKYF

pith:2013:R43QWKYF4Z26OIDVE27IZXJ7D6

not attested not anchored not stored refs pending

High Precision Abundances of the Old Solar Twin HIP 102152: Insights on Li Depletion from the Oldest Sun

Alan Alves-Brito, David Yong, Fabr\'icio C. Freitas, Iv\'an Ram\'irez, Jacob Bean, Jorge Mel\'endez, Jos\'e-Dias do Nascimento, Karin Lind, Luca Casagrande, Marcelo Tucci Maia, Maria Bergemann, Martin Asplund, Matthieu Castro, Megan Bedell, Michael Bazot, TalaWanda R. Monroe

arxiv:1308.5744 v1 · 2013-08-27 · 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{R43QWKYF4Z26OIDVE27IZXJ7D6}

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	2026-05-18T01:47:58.196862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f370b2b05e675e7207526be8cdd3f1fb9fbe71343566da9706fa1dc2294582e

Aliases

arxiv: 1308.5744 · arxiv_version: 1308.5744v1 · doi: 10.48550/arxiv.1308.5744 · pith_short_12: R43QWKYF4Z26 · pith_short_16: R43QWKYF4Z26OIDV · pith_short_8: R43QWKYF

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/R43QWKYF4Z26OIDVE27IZXJ7D6 \
  | 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: 8f370b2b05e675e7207526be8cdd3f1fb9fbe71343566da9706fa1dc2294582e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03bae393e3140397bc83dfa518f3785b77e0497c346a2832839c761fca9dee09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-08-27T03:28:44Z",
    "title_canon_sha256": "e447e62ce8cb90c9cfd7dec33efeb29ff951946da101574afb09c35626f0c96d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5744",
    "kind": "arxiv",
    "version": 1
  }
}