Pith Number

pith:4CEGS4O5

pith:2013:4CEGS4O5GPEMN2DSXHC7DHHE5D

not attested not anchored not stored refs pending

The optical transmission spectrum of the hot Jupiter HAT-P-32b: clouds explain the absence of broad spectral features?

(2) Oxford), J. K. Barstow (2), L. N. Fletcher (2), N. P. Gibson (1), P. G. J. Irwin (2) ((1) ESO, S. Aigrain (2), T. M. Evans (2)

arxiv:1309.6998 v1 · 2013-09-26 · 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{4CEGS4O5GPEMN2DSXHC7DHHE5D}

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	2026-05-18T01:47:26.054182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0886971dd33c8c6e872b9c5f19ce4e8e6519355de02aceae2e892e7accb5d03

Aliases

arxiv: 1309.6998 · arxiv_version: 1309.6998v1 · doi: 10.48550/arxiv.1309.6998 · pith_short_12: 4CEGS4O5GPEM · pith_short_16: 4CEGS4O5GPEMN2DS · pith_short_8: 4CEGS4O5

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/4CEGS4O5GPEMN2DSXHC7DHHE5D \
  | 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: e0886971dd33c8c6e872b9c5f19ce4e8e6519355de02aceae2e892e7accb5d03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ac1051a7dac4a500845c0090daaa2c57e912978a0f4290d1155dc0ad9a90cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-09-26T18:19:05Z",
    "title_canon_sha256": "2b25fb5730f07e70548976b55f4131ef192793c5553f01264a97139372e300ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6998",
    "kind": "arxiv",
    "version": 1
  }
}