Pith Number

pith:7LRA7UZ7

pith:2013:7LRA7UZ744TC2UIARGG77R4FPC

not attested not anchored not stored refs pending

An approximation scheme for an Eikonal Equation with discontinuous coefficient

Adriano Festa, Maurizio Falcone

arxiv:1301.1584 v1 · 2013-01-08 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LRA7UZ744TC2UIARGG77R4FPC}

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	2026-05-18T03:36:57.112331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae20fd33fe7262d5100898dffc78578ba2ae76333255314a286b6f1b0fa96a9

Aliases

arxiv: 1301.1584 · arxiv_version: 1301.1584v1 · doi: 10.48550/arxiv.1301.1584 · pith_short_12: 7LRA7UZ744TC · pith_short_16: 7LRA7UZ744TC2UIA · pith_short_8: 7LRA7UZ7

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/7LRA7UZ744TC2UIARGG77R4FPC \
  | 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: fae20fd33fe7262d5100898dffc78578ba2ae76333255314a286b6f1b0fa96a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f3623556cb5c7e18b1f8338ef32c08ff319f6c5a392ef8e7b000d5b55392e7b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-01-08T16:29:54Z",
    "title_canon_sha256": "a7e1a031c33e288ae971a9f74cadd5c06f31e3fecb9fddfa6aa96469e1720d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1584",
    "kind": "arxiv",
    "version": 1
  }
}