Pith Number

pith:EX2ENU3B

pith:2012:EX2ENU3BUUKKRN5IYXCAXG5XVM

not attested not anchored not stored refs pending

Finite Element Methods with Artificial Diffusion for Hamilton-Jacobi-Bellman Equations

Iain Smears, Max Jensen

arxiv:1201.3581 v2 · 2012-01-17 · 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{EX2ENU3BUUKKRN5IYXCAXG5XVM}

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	2026-05-18T03:32:57.156241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25f446d361a514a8b7a8c5c40b9bb7ab3548f29a6e6fa6e6b7eba724f7cb5fb7

Aliases

arxiv: 1201.3581 · arxiv_version: 1201.3581v2 · doi: 10.48550/arxiv.1201.3581 · pith_short_12: EX2ENU3BUUKK · pith_short_16: EX2ENU3BUUKKRN5I · pith_short_8: EX2ENU3B

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/EX2ENU3BUUKKRN5IYXCAXG5XVM \
  | 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: 25f446d361a514a8b7a8c5c40b9bb7ab3548f29a6e6fa6e6b7eba724f7cb5fb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e81ee8938edfc4c925a9c81f550ebf81140311995928f6c00c419b8530833b15",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-17T18:11:49Z",
    "title_canon_sha256": "c920670497d0d498fee190d02f0cbaa94d74ba25e2e70babe2d204c4eaa8c888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3581",
    "kind": "arxiv",
    "version": 2
  }
}