Pith Number

pith:QISJQMCS

pith:2025:QISJQMCSHMNTIKMCHHWFKXZWBY

not attested not anchored not stored refs pending

Helium escape signatures are generally strongest during younger ages but this age dependence is lost in the diversity of observed exoplanets

Aline A. Vidotto, Andrew P. Allan

arxiv:2504.02578 v2 · 2025-04-03 · 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{QISJQMCSHMNTIKMCHHWFKXZWBY}

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	2026-07-05T10:49:16.307845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82249830523b1b34298239ec555f360e0cf465f6bb18e98395b2b774f294913c

Aliases

arxiv: 2504.02578 · arxiv_version: 2504.02578v2 · doi: 10.48550/arxiv.2504.02578 · pith_short_12: QISJQMCSHMNT · pith_short_16: QISJQMCSHMNTIKMC · pith_short_8: QISJQMCS

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/QISJQMCSHMNTIKMCHHWFKXZWBY \
  | 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: 82249830523b1b34298239ec555f360e0cf465f6bb18e98395b2b774f294913c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5346516bfbc14171916b87589ce55f50c8e4686fe1a4a9dc1ff5def9863b8e88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-04-03T13:41:16Z",
    "title_canon_sha256": "1c70457a0b3ce2fd92436c4087665e3c09017fdf44e66c63dd7fa1d81ff76c76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02578",
    "kind": "arxiv",
    "version": 2
  }
}