Pith Number

pith:A7DJ5EJJ

pith:2009:A7DJ5EJJITY7KU4CZDUWFER6ZM

not attested not anchored not stored refs pending

A Search for molecules in the atmosphere of HD 189733b

A. Collier Cameron, Brad M.S. Hansen, C.J. Leigh, D.J. Pinfield, E.L. Rice, H.R.A. Jones, J.R. Barnes, L. Prato, R.J. Barber, Travis S. Barman

arxiv:0909.2510 v1 · 2009-09-14 · astro-ph.EP · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7DJ5EJJITY7KU4CZDUWFER6ZM}

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	2026-05-18T02:11:48.178966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c69e912944f1f55382c8e962923ecb2307c8717712a2b05a5bbd04d50af35f

Aliases

arxiv: 0909.2510 · arxiv_version: 0909.2510v1 · doi: 10.48550/arxiv.0909.2510 · pith_short_12: A7DJ5EJJITY7 · pith_short_16: A7DJ5EJJITY7KU4C · pith_short_8: A7DJ5EJJ

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/A7DJ5EJJITY7KU4CZDUWFER6ZM \
  | 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: 07c69e912944f1f55382c8e962923ecb2307c8717712a2b05a5bbd04d50af35f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "850569ca2d35c5302ebf832d474fd9a44b2d30b953b24c064511d8c7eeee984c",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-09-14T10:23:16Z",
    "title_canon_sha256": "a419eda5210e61657f4177a23f0ae256ed81e1cfd769dc4698917d760211c6ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2510",
    "kind": "arxiv",
    "version": 1
  }
}