Pith Number

pith:EGDGDXZ7

pith:2017:EGDGDXZ7ANHWREE2ENWZZ7LBKV

not attested not anchored not stored refs pending

Evolution of low mass stars: lithium problem and alpha-enhanced tracks and isochrones (Ph.D. thesis)

Xiaoting Fu

arxiv:1702.02932 v1 · 2017-02-09 · 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{EGDGDXZ7ANHWREE2ENWZZ7LBKV}

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	2026-05-18T00:51:02.018283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

218661df3f034f68909a236d9cfd61556e4fcee1a49b952cbdbd75b3e1d07248

Aliases

arxiv: 1702.02932 · arxiv_version: 1702.02932v1 · doi: 10.48550/arxiv.1702.02932 · pith_short_12: EGDGDXZ7ANHW · pith_short_16: EGDGDXZ7ANHWREE2 · pith_short_8: EGDGDXZ7

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/EGDGDXZ7ANHWREE2ENWZZ7LBKV \
  | 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: 218661df3f034f68909a236d9cfd61556e4fcee1a49b952cbdbd75b3e1d07248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de628f6e752753d4aa4e6923f506caffa47e78883e5ef91f91189f422296e44b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-02-09T18:31:23Z",
    "title_canon_sha256": "ba2f0f2ccb1397b6ed757384de152a632d5f3fc99d12934a58adf2b4e92f2464"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02932",
    "kind": "arxiv",
    "version": 1
  }
}