Pith Number

pith:SFFG7OMJ

pith:2015:SFFG7OMJZAP77HVPAPUGC4SSW6

not attested not anchored not stored refs pending

A search for a spectral technique to solve nonlinear fractional differential equations

Bruce J. West, Malgorzata Turalska

arxiv:1508.03222 v1 · 2015-08-13 · math-ph · math.MP

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

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	2026-05-18T01:35:21.397810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914a6fb989c81fff9eaf03e8617252b7907a242dcfb1f5514bf624ceffc6d375

Aliases

arxiv: 1508.03222 · arxiv_version: 1508.03222v1 · doi: 10.48550/arxiv.1508.03222 · pith_short_12: SFFG7OMJZAP7 · pith_short_16: SFFG7OMJZAP77HVP · pith_short_8: SFFG7OMJ

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/SFFG7OMJZAP77HVPAPUGC4SSW6 \
  | 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: 914a6fb989c81fff9eaf03e8617252b7907a242dcfb1f5514bf624ceffc6d375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f405a2598afc9a3c2502eb6cc0530699b4ef7ab9fb8c04477ea1d3ad325ea3c",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-08-13T14:13:29Z",
    "title_canon_sha256": "d4220bb698a6d3fc4556ff4b632e3daf40b5de273031889733759bef2426970d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03222",
    "kind": "arxiv",
    "version": 1
  }
}