Pith Number

pith:IV5IVT7P

pith:2011:IV5IVT7P32F7EMOKYRGL7FZD2Q

not attested not anchored not stored refs pending

PyDEC: Software and Algorithms for Discretization of Exterior Calculus

Anil N. Hirani, Nathan Bell

arxiv:1103.3076 v2 · 2011-03-16 · cs.NA · cs.CG · cs.MS · math.DG · 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{IV5IVT7P32F7EMOKYRGL7FZD2Q}

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	2026-05-18T04:01:26.359376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

457a8acfefde8bf231cac44cbf9723d43ad9bd77c74d4b1626f5d08253dacecf

Aliases

arxiv: 1103.3076 · arxiv_version: 1103.3076v2 · doi: 10.48550/arxiv.1103.3076 · pith_short_12: IV5IVT7P32F7 · pith_short_16: IV5IVT7P32F7EMOK · pith_short_8: IV5IVT7P

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/IV5IVT7P32F7EMOKYRGL7FZD2Q \
  | 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: 457a8acfefde8bf231cac44cbf9723d43ad9bd77c74d4b1626f5d08253dacecf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1167699bc431aae9beb1e0e4a5ad8fc0da7d423b0602bf56a1f8fa5260c9766c",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.MS",
      "math.DG",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2011-03-16T01:50:33Z",
    "title_canon_sha256": "c466b3e3e0314ebf260ee75ac24d71cdb2719cdf71f80eda021693484d0ac43e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3076",
    "kind": "arxiv",
    "version": 2
  }
}