Pith Number

pith:D3R4PI4V

pith:2013:D3R4PI4V563OBTKELQS3TRFPPK

not attested not anchored not stored refs pending

Properties of extrasolar planets and their host stars - a case study of HAT-P-7

Conny Aerts, Hans Kjeldsen, Joergen Christensen-Dalsgaard, Vincent Van Eylen

arxiv:1301.1472 v2 · 2013-01-08 · astro-ph.SR · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D3R4PI4V563OBTKELQS3TRFPPK}

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	2026-05-18T02:51:15.203632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69

Aliases

arxiv: 1301.1472 · arxiv_version: 1301.1472v2 · doi: 10.48550/arxiv.1301.1472 · pith_short_12: D3R4PI4V563O · pith_short_16: D3R4PI4V563OBTKE · pith_short_8: D3R4PI4V

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/D3R4PI4V563OBTKELQS3TRFPPK \
  | 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: 1ee3c7a395efb6e0cd445c25b9c4af7a8aa2f2bb158c1b59a4c059bcb1b67d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7112b0b15eebbe63df14b7242f2f09a10d357abb9eb18becb2e27de1fec9875e",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-01-08T10:20:29Z",
    "title_canon_sha256": "0be152091450e2d96dc1418dc3726d00ec51c76e667e8a7cbc7dcc4927cc13cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1472",
    "kind": "arxiv",
    "version": 2
  }
}