Pith Number

pith:ZIGRL6D2

pith:2015:ZIGRL6D2F62KPOS6DFKW625RWC

not attested not anchored not stored refs pending

A uniform analysis of HD209458b Spitzer/IRAC lightcurves with Gaussian process models

David S. Amundsen, Joanna K. Barstow, Neale Gibson, Pascal Tremblin, Pierre Mourier, Suzanne Aigrain, Thomas M. Evans

arxiv:1504.05942 v1 · 2015-04-22 · 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{ZIGRL6D2F62KPOS6DFKW625RWC}

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	2026-05-18T01:35:48.409227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca0d15f87a2fb4a7ba5e19556f6bb1b0a70d99ab2f82da2b8b4bcc7551f8cdc6

Aliases

arxiv: 1504.05942 · arxiv_version: 1504.05942v1 · doi: 10.48550/arxiv.1504.05942 · pith_short_12: ZIGRL6D2F62K · pith_short_16: ZIGRL6D2F62KPOS6 · pith_short_8: ZIGRL6D2

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/ZIGRL6D2F62KPOS6DFKW625RWC \
  | 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: ca0d15f87a2fb4a7ba5e19556f6bb1b0a70d99ab2f82da2b8b4bcc7551f8cdc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdd32bfdd73c2bc295fdcbd784f0c7a6068e1a54f3b72f469e5dbba5e091c0b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-04-22T19:52:21Z",
    "title_canon_sha256": "621c399f19adc3a17d426c1f4a940c58e5ace0194d677df7e45d63116924d3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05942",
    "kind": "arxiv",
    "version": 1
  }
}