Pith Number

pith:DY3H3PD2

pith:2018:DY3H3PD2QNDBHTSUQML7IZ3K2I

not attested not anchored not stored refs pending

The Propitious Role of Solar Energetic Particles in the Origin of Life

Abraham Loeb, Bruce M. Jakosky, Chuanfei Dong, Manasvi Lingam, Xiaohua Fang

arxiv:1801.05781 v1 · 2018-01-17 · astro-ph.EP · astro-ph.HE · astro-ph.SR · physics.bio-ph · 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{DY3H3PD2QNDBHTSUQML7IZ3K2I}

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	2026-05-18T00:25:40.197482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e367dbc7a834613ce548317f4676ad215ba43b87b9bf7866bca7501a196af7d

Aliases

arxiv: 1801.05781 · arxiv_version: 1801.05781v1 · doi: 10.48550/arxiv.1801.05781 · pith_short_12: DY3H3PD2QNDB · pith_short_16: DY3H3PD2QNDBHTSU · pith_short_8: DY3H3PD2

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/DY3H3PD2QNDBHTSUQML7IZ3K2I \
  | 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: 1e367dbc7a834613ce548317f4676ad215ba43b87b9bf7866bca7501a196af7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44d5cfb6556a79158fbf04ea2b2e5e65c295095a363d7378eb1f665fb93990f8",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR",
      "physics.bio-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-01-17T18:10:16Z",
    "title_canon_sha256": "007847d930fcfda18bcb8aaa164e8fa6684b4d48679136bc01015eef960c35c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05781",
    "kind": "arxiv",
    "version": 1
  }
}