Pith Number

pith:MGRWW742

pith:2013:MGRWW74267TIZ3EDKASG2WVJIP

not attested not anchored not stored refs pending

H\alpha\ Absorption in Transiting Exoplanet Atmospheres

Duncan Christie, Phil Arras, Zhi-Yun Li

arxiv:1307.4425 v1 · 2013-07-16 · 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{MGRWW74267TIZ3EDKASG2WVJIP}

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	2026-05-18T01:48:49.420041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61a36b7f9af7e68cec8350246d5aa943ed01c2c7dcbea864815bf63e637b08c1

Aliases

arxiv: 1307.4425 · arxiv_version: 1307.4425v1 · doi: 10.48550/arxiv.1307.4425 · pith_short_12: MGRWW74267TI · pith_short_16: MGRWW74267TIZ3ED · pith_short_8: MGRWW742

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/MGRWW74267TIZ3EDKASG2WVJIP \
  | 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: 61a36b7f9af7e68cec8350246d5aa943ed01c2c7dcbea864815bf63e637b08c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "521fa77f6d7364815654f451c36d1acba795c01977d2126a12ca5ff074a54bcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-07-16T20:59:42Z",
    "title_canon_sha256": "388caaf0e5d90eeb8edc1e4d8760a70fbc7d73e2a7beeb24005b3666263691d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4425",
    "kind": "arxiv",
    "version": 1
  }
}