Pith Number

pith:KD5PGXFP

pith:2017:KD5PGXFPHBNWYTF2P7DDJ2UHUD

not attested not anchored not stored refs pending

Accurate parameters for HD 209458 and its planet from HST spectrophotometry

Carlos Allende Prieto, Carlos del Burgo

arxiv:1703.01449 v1 · 2017-03-04 · 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{KD5PGXFPHBNWYTF2P7DDJ2UHUD}

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	2026-05-18T00:40:58.729898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50faf35caf385b6c4cba7fc634ea87a0fb53699d73c6cd8e67ec1a0618977853

Aliases

arxiv: 1703.01449 · arxiv_version: 1703.01449v1 · doi: 10.48550/arxiv.1703.01449 · pith_short_12: KD5PGXFPHBNW · pith_short_16: KD5PGXFPHBNWYTF2 · pith_short_8: KD5PGXFP

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/KD5PGXFPHBNWYTF2P7DDJ2UHUD \
  | 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: 50faf35caf385b6c4cba7fc634ea87a0fb53699d73c6cd8e67ec1a0618977853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855901ddd603dde203ba1a65f88cba1ff4e162b5bfd0c7c9a2cf3eaa23fdb4bd",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-03-04T12:43:24Z",
    "title_canon_sha256": "e5ae3f9e6adc8555038c6ace016d32febd53cbf2df6a0b2807382ef56ff73cac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01449",
    "kind": "arxiv",
    "version": 1
  }
}