Pith Number

pith:Z2WW5MZ5

pith:2011:Z2WW5MZ5JBGAJM2T6BANYXLPVI

not attested not anchored not stored refs pending

Clouds and Chemistry in the Atmosphere of Extrasolar Planet HR8799b

Bruce Macintosh, Christian Marois, Quinn M. Konopacky, Travis S. Barman

arxiv:1103.3895 v1 · 2011-03-20 · 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{Z2WW5MZ5JBGAJM2T6BANYXLPVI}

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	2026-05-18T02:02:49.052513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cead6eb33d484c04b353f040dc5d6faa1e22d502763d99eaa00d7a839a985b5e

Aliases

arxiv: 1103.3895 · arxiv_version: 1103.3895v1 · doi: 10.48550/arxiv.1103.3895 · pith_short_12: Z2WW5MZ5JBGA · pith_short_16: Z2WW5MZ5JBGAJM2T · pith_short_8: Z2WW5MZ5

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/Z2WW5MZ5JBGAJM2T6BANYXLPVI \
  | 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: cead6eb33d484c04b353f040dc5d6faa1e22d502763d99eaa00d7a839a985b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef6a5d19210e197a712b37066602d207e80ef58cb09670a4fc769e6737cf912e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-03-20T22:11:56Z",
    "title_canon_sha256": "af0a19464c56ecd70c9a5e03daa8e474902fabba029f42955853405d3652b657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3895",
    "kind": "arxiv",
    "version": 1
  }
}