Pith Number

pith:GX2VY22F

pith:2019:GX2VY22FNAJKAXCDB7KFHJ3CEM

not attested not anchored not stored refs pending

The Hubble PanCET program: An extensive search for metallic ions in the exosphere of GJ 436 b

A. Garc\'ia Mu\~noz, A. Lecavelier des Etangs, B. Lavie, D. Ehrenreich, D. K. Sing, G. Ballester, G. W. Henry, H. Wakeford, J. Sanz-Forcada, L. A. Buchhave, L. A. dos Santos, L. Ben-Jaffel, M. L\'opez-Morales, N. K. Lewis, P. Lavvas, T. Kataria, T. Mikal-Evans, V. Bourrier

arxiv:1907.05906 v2 · 2019-07-12 · 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{GX2VY22FNAJKAXCDB7KFHJ3CEM}

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	2026-07-05T00:02:09.710718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35f55c6b456812a05c430fd453a762231996b1be03e808c3d9f6ee784f0b7d09

Aliases

arxiv: 1907.05906 · arxiv_version: 1907.05906v2 · doi: 10.48550/arxiv.1907.05906 · pith_short_12: GX2VY22FNAJK · pith_short_16: GX2VY22FNAJKAXCD · pith_short_8: GX2VY22F

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/GX2VY22FNAJKAXCDB7KFHJ3CEM \
  | 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: 35f55c6b456812a05c430fd453a762231996b1be03e808c3d9f6ee784f0b7d09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce643aad589a5de56096a0d26d7afa80e7e0544bbbd297dab010e86fb83838a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-12T18:11:42Z",
    "title_canon_sha256": "a778d191e83bc07f32b6ab72603a55053739e462b0eda752d84d46ccab48f1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05906",
    "kind": "arxiv",
    "version": 2
  }
}