Pith Number

pith:2TPN22I2

pith:2012:2TPN22I2OGBFNASYKBXS7XNBMR

not attested not anchored not stored refs pending

The escape of heavy atoms from the ionosphere of HD209458b. II. Interpretation of the observations

M. J. Harris, P. Lavvas, R. V. Yelle, T. T. Koskinen

arxiv:1210.1543 v1 · 2012-10-04 · 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{2TPN22I2OGBFNASYKBXS7XNBMR}

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	2026-05-18T01:54:05.627651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4dedd691a7182568258506f2fdda164727f5eb546a57312d72fd19ad86c0164

Aliases

arxiv: 1210.1543 · arxiv_version: 1210.1543v1 · doi: 10.48550/arxiv.1210.1543 · pith_short_12: 2TPN22I2OGBF · pith_short_16: 2TPN22I2OGBFNASY · pith_short_8: 2TPN22I2

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/2TPN22I2OGBFNASYKBXS7XNBMR \
  | 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: d4dedd691a7182568258506f2fdda164727f5eb546a57312d72fd19ad86c0164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6db28d4308900ef4e72d21eb8fe618124bee1c0d13c02b912307f578e2cc6cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-10-04T19:02:19Z",
    "title_canon_sha256": "c6797609a909e189a1d9a3080b57de9f5acc0e8f6fd8d63999534f8ffe6da12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.1543",
    "kind": "arxiv",
    "version": 1
  }
}