Pith Number

pith:WX3ISPKE

pith:2013:WX3ISPKE57F7KRG27N7526R3X6

not attested not anchored not stored refs pending

Habitability around F-type Stars

C. M. Guerra Olvera, D. Jack, K.-P. Schroeder, M. Cuntz, S. Sato

arxiv:1312.7431 v2 · 2013-12-28 · 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{WX3ISPKE57F7KRG27N7526R3X6}

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	2026-05-18T01:45:35.479398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5f6893d44efcbf544dafb7fdd7a3bbfb513c920aca4a36ec4706157e54d4779

Aliases

arxiv: 1312.7431 · arxiv_version: 1312.7431v2 · doi: 10.48550/arxiv.1312.7431 · pith_short_12: WX3ISPKE57F7 · pith_short_16: WX3ISPKE57F7KRG2 · pith_short_8: WX3ISPKE

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/WX3ISPKE57F7KRG27N7526R3X6 \
  | 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: b5f6893d44efcbf544dafb7fdd7a3bbfb513c920aca4a36ec4706157e54d4779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67cb924b4c9039f09ab195d0e40321edf2ed8e3ef2df1115876158d9efcc4a29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-12-28T13:42:13Z",
    "title_canon_sha256": "3b24a3eb12497c6918d7bc5d0b5065133766abeed05c2cdfaea206ace8157881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7431",
    "kind": "arxiv",
    "version": 2
  }
}