Pith Number

pith:4PMDKTE7

pith:2017:4PMDKTE7BYAHZ6RIJ6LQKNK5S2

not attested not anchored not stored refs pending

The ionising effect of low energy cosmic rays from a class II object on its protoplanetary disk

Andrew M. Taylor, Donna Rodgers-Lee, Tom P. Ray, Turlough P. Downes

arxiv:1707.07522 v1 · 2017-07-24 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4PMDKTE7BYAHZ6RIJ6LQKNK5S2}

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	2026-05-18T00:35:30.838120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3d8354c9f0e007cfa284f9705355d96bb2f4c09af7860f5190c1a8abb782fd8

Aliases

arxiv: 1707.07522 · arxiv_version: 1707.07522v1 · doi: 10.48550/arxiv.1707.07522 · pith_short_12: 4PMDKTE7BYAH · pith_short_16: 4PMDKTE7BYAHZ6RI · pith_short_8: 4PMDKTE7

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/4PMDKTE7BYAHZ6RIJ6LQKNK5S2 \
  | 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: e3d8354c9f0e007cfa284f9705355d96bb2f4c09af7860f5190c1a8abb782fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76382fdbe2118c4b680ee8b6569852bf465232580012c6c1733b304cedd053b0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-07-24T12:46:51Z",
    "title_canon_sha256": "9cb729093c11bf9b09d4f4c50080e0f915cee56d37e5f9321ed6257f2a711879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07522",
    "kind": "arxiv",
    "version": 1
  }
}