Pith Number

pith:7KEF2DYI

pith:2015:7KEF2DYIPA7N2NRJFNZBNGEE7J

not attested not anchored not stored refs pending

An analytical and numerical study of steady patches in the disc

Francisco de la Hoz, Joan Mateu, Taoufik Hmidi, Zineb Hassainia

arxiv:1510.01550 v1 · 2015-10-06 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KEF2DYIPA7N2NRJFNZBNGEE7J}

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	2026-05-18T01:30:56.647269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa885d0f08783edd36292b72169884fa667fdaf8b3470bd31bc0a71714b96655

Aliases

arxiv: 1510.01550 · arxiv_version: 1510.01550v1 · doi: 10.48550/arxiv.1510.01550 · pith_short_12: 7KEF2DYIPA7N · pith_short_16: 7KEF2DYIPA7N2NRJ · pith_short_8: 7KEF2DYI

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/7KEF2DYIPA7N2NRJFNZBNGEE7J \
  | 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: fa885d0f08783edd36292b72169884fa667fdaf8b3470bd31bc0a71714b96655

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbe4692205ffacb4ee1b7c0d25320b2fdd2d2e4fe47cd103e79e3e9902ee323d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-10-06T12:30:41Z",
    "title_canon_sha256": "1fa1eb24cb0d06ce644955b7cea4dcd2693dcc27d15b221c741e6f06d955d792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01550",
    "kind": "arxiv",
    "version": 1
  }
}