Pith Number

pith:WIKC4IVS

pith:2011:WIKC4IVSZKEQVJURMIPRWZDDDU

not attested not anchored not stored refs pending

Surface convection: from the Sun to red giant stars

(2) LESIA Paris, (3) Imperial College London, (4) Hamburger Sternwarte), Laurent Piau (1), Peter Hauschildt (4) ((1) LATMOS, Pierre Kervella (2), Sami Dib (3)

arxiv:1112.1381 v1 · 2011-12-06 · 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{WIKC4IVSZKEQVJURMIPRWZDDDU}

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	2026-05-18T04:06:55.540476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2142e22b2ca890aa691621f1b64631d2f1a6ba40663292b57bf2f8b058406fe

Aliases

arxiv: 1112.1381 · arxiv_version: 1112.1381v1 · doi: 10.48550/arxiv.1112.1381 · pith_short_12: WIKC4IVSZKEQ · pith_short_16: WIKC4IVSZKEQVJUR · pith_short_8: WIKC4IVS

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/WIKC4IVSZKEQVJURMIPRWZDDDU \
  | 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: b2142e22b2ca890aa691621f1b64631d2f1a6ba40663292b57bf2f8b058406fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b2c76df162f7d8069dfd9d7c720c57269a2fb8b9201de3faaa48f9396191f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-06T19:28:51Z",
    "title_canon_sha256": "d502c26b9525f9724d10720ce8001abe068e6f4e39b9d434c88189683d62af6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1381",
    "kind": "arxiv",
    "version": 1
  }
}