Pith Number

pith:DKUTSBO3

pith:2015:DKUTSBO3AW3YG27JV4NDQNN7RU

not attested not anchored not stored refs pending

Approximate Solution to the Fractional Second Type Lane-Emden Equation

E. A. Abdel-Salam, M. I. Nouh

arxiv:1512.09116 v1 · 2015-12-30 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKUTSBO3AW3YG27JV4NDQNN7RU}

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	2026-05-18T01:05:44.203758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa93905db05b7836be9af1a3835bf8d35d978f55c9b3312eb2a09e9a8ce5fd8

Aliases

arxiv: 1512.09116 · arxiv_version: 1512.09116v1 · doi: 10.48550/arxiv.1512.09116 · pith_short_12: DKUTSBO3AW3Y · pith_short_16: DKUTSBO3AW3YG27J · pith_short_8: DKUTSBO3

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/DKUTSBO3AW3YG27JV4NDQNN7RU \
  | 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: 1aa93905db05b7836be9af1a3835bf8d35d978f55c9b3312eb2a09e9a8ce5fd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61dc773b8633f9f6466d1efe377d240cc16a45d377f87e2a16cfe3d59f82d04d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-12-30T20:48:53Z",
    "title_canon_sha256": "ff9856abcae77fa9a08fa4c59e8d9a1f118ccd69889c544246015141996ce6b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09116",
    "kind": "arxiv",
    "version": 1
  }
}