Pith Number

pith:SCTH4PMT

pith:2009:SCTH4PMTSNC3A3OI3LTPV3PJBE

not attested not anchored not stored refs pending

On the DB gap of white dwarf evolution: effects of hydrogen mass fraction and convective overshooting

Jie Su, Yan Li

arxiv:0911.2949 v2 · 2009-11-16 · 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{SCTH4PMTSNC3A3OI3LTPV3PJBE}

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	2026-05-18T02:34:05.255025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a67e3d939345b06dc8dae6faede9091d7ca6fd42e6ee8af7cc566161db5cc6

Aliases

arxiv: 0911.2949 · arxiv_version: 0911.2949v2 · doi: 10.48550/arxiv.0911.2949 · pith_short_12: SCTH4PMTSNC3 · pith_short_16: SCTH4PMTSNC3A3OI · pith_short_8: SCTH4PMT

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/SCTH4PMTSNC3A3OI3LTPV3PJBE \
  | 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: 90a67e3d939345b06dc8dae6faede9091d7ca6fd42e6ee8af7cc566161db5cc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "accae4e246530b78e2ee3dfa39c9789c9bc98e7b36638abac174bee33d8b8557",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-16T07:09:03Z",
    "title_canon_sha256": "ec959c185c888053e5e944841bec24f313330201cad1ede357a1b1d936b1169a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2949",
    "kind": "arxiv",
    "version": 2
  }
}