Pith Number

pith:3I7QFFZJ

pith:2017:3I7QFFZJRLJ6J5ATWKWU6ITQKL

not attested not anchored not stored refs pending

Modified FEA and ExtraTree algorithm for transformer Green's function modelling

Jie Pan, Xuhao Du

arxiv:1703.07130 v1 · 2017-03-21 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3I7QFFZJRLJ6J5ATWKWU6ITQKL}

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	2026-05-18T00:48:11.229512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da3f0297298ad3e4f413b2ad4f227052e0e26dca3ffd1bdb4d0ebb4fa9d59aef

Aliases

arxiv: 1703.07130 · arxiv_version: 1703.07130v1 · doi: 10.48550/arxiv.1703.07130 · pith_short_12: 3I7QFFZJRLJ6 · pith_short_16: 3I7QFFZJRLJ6J5AT · pith_short_8: 3I7QFFZJ

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/3I7QFFZJRLJ6J5ATWKWU6ITQKL \
  | 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: da3f0297298ad3e4f413b2ad4f227052e0e26dca3ffd1bdb4d0ebb4fa9d59aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b4c8b6003054e1a21f6657f05d7d803daa908d734eeffaa7ff8f6f179d44f42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-03-21T10:30:41Z",
    "title_canon_sha256": "8a1feebd2d1e71586ee925f1981494181de456b2d65533f83d00ff2efe9a106d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07130",
    "kind": "arxiv",
    "version": 1
  }
}