Pith Number

pith:TIDVJ2ZB

pith:2018:TIDVJ2ZBLI2HQYNSWTOYO4XNAZ

not attested not anchored not stored refs pending

Web spline error estimation of non-cooperative elliptic equations for population dynamics

Ayan Chakraborty, B.V.Rathish Kumar

arxiv:1806.10209 v1 · 2018-06-24 · 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{TIDVJ2ZBLI2HQYNSWTOYO4XNAZ}

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	2026-05-18T00:12:13.148186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a0754eb215a347861b2b4dd8772ed0657c898640c2c320a84e97354e3e692ea

Aliases

arxiv: 1806.10209 · arxiv_version: 1806.10209v1 · doi: 10.48550/arxiv.1806.10209 · pith_short_12: TIDVJ2ZBLI2H · pith_short_16: TIDVJ2ZBLI2HQYNS · pith_short_8: TIDVJ2ZB

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/TIDVJ2ZBLI2HQYNSWTOYO4XNAZ \
  | 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: 9a0754eb215a347861b2b4dd8772ed0657c898640c2c320a84e97354e3e692ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7fe48992d907d1b57ef9c18886e3812f43a6e125d89ea094ae09a811824643",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-24T18:16:39Z",
    "title_canon_sha256": "5f4167f05cd7180ac725016c546a10438657d47fb2d94fb1a786f0f2f38b551d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10209",
    "kind": "arxiv",
    "version": 1
  }
}