Pith Number

pith:53FU5O2G

pith:2017:53FU5O2GYH3QYBWQ7DCQEZPOOB

not attested not anchored not stored refs pending

Atmospheric escape from the TRAPPIST-1 planets and implications for habitability

Bart van der Holst, Chuanfei Dong, Manasvi Lingam, Meng Jin, Vladimir S. Airapetian, Yingjuan Ma

arxiv:1705.05535 v2 · 2017-05-16 · astro-ph.EP · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{53FU5O2GYH3QYBWQ7DCQEZPOOB}

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	2026-05-18T00:25:57.802773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eecb4ebb46c1f70c06d0f8c50265ee7041eac929b77d3fd83ec250b9c1939c2c

Aliases

arxiv: 1705.05535 · arxiv_version: 1705.05535v2 · doi: 10.48550/arxiv.1705.05535 · pith_short_12: 53FU5O2GYH3Q · pith_short_16: 53FU5O2GYH3QYBWQ · pith_short_8: 53FU5O2G

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/53FU5O2GYH3QYBWQ7DCQEZPOOB \
  | 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: eecb4ebb46c1f70c06d0f8c50265ee7041eac929b77d3fd83ec250b9c1939c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdddf9e9a3a58269c65139b9affa34567247dcf134407896a35d3ed1568ae233",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-05-16T05:48:48Z",
    "title_canon_sha256": "0f0acc54903c6d011ec2bd1998d8b0bdc9ee29ec3eff8821752287be6a757569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05535",
    "kind": "arxiv",
    "version": 2
  }
}