Pith Number

pith:L7RV2XMS

pith:2018:L7RV2XMSOQRSPYO2XO5TSCNKY4

not attested not anchored not stored refs pending

The Ostrovsky Hunter equation with a space dependent flux function

Neelabja Chatterjee, Nils Henrik Risebro

arxiv:1812.08463 v1 · 2018-12-20 · 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{L7RV2XMSOQRSPYO2XO5TSCNKY4}

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	2026-05-17T23:57:49.912742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe35d5d92742327e1dabbbb3909aac7364cbd7466f2ec7765cd34ca8ae9e1c1

Aliases

arxiv: 1812.08463 · arxiv_version: 1812.08463v1 · doi: 10.48550/arxiv.1812.08463 · pith_short_12: L7RV2XMSOQRS · pith_short_16: L7RV2XMSOQRSPYO2 · pith_short_8: L7RV2XMS

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/L7RV2XMSOQRSPYO2XO5TSCNKY4 \
  | 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: 5fe35d5d92742327e1dabbbb3909aac7364cbd7466f2ec7765cd34ca8ae9e1c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161477f90fc1541a07bc6af68bdfd6d3095677404a925e79caabf918492cb930",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-20T10:25:44Z",
    "title_canon_sha256": "c939a88089d179ac268745e7757df456d0046b95568be068a8febd145222c7fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08463",
    "kind": "arxiv",
    "version": 1
  }
}