Pith Number

pith:YHGOINXC

pith:2018:YHGOINXC6G2SVOOI27VTC7IS7A

not attested not anchored not stored refs pending

Numerical Convergence of Discrete Exterior Calculus on Arbitrary Surface Meshes

Anil N. Hirani, Mamdouh S. Mohamed, Ravi Samtaney

arxiv:1802.04506 v1 · 2018-02-13 · 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{YHGOINXC6G2SVOOI27VTC7IS7A}

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	2026-05-18T00:23:42.231021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1cce436e2f1b52ab9c8d7eb317d12f8146b62ec6c6837441203f20cec35afef

Aliases

arxiv: 1802.04506 · arxiv_version: 1802.04506v1 · doi: 10.48550/arxiv.1802.04506 · pith_short_12: YHGOINXC6G2S · pith_short_16: YHGOINXC6G2SVOOI · pith_short_8: YHGOINXC

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/YHGOINXC6G2SVOOI27VTC7IS7A \
  | 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: c1cce436e2f1b52ab9c8d7eb317d12f8146b62ec6c6837441203f20cec35afef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4217cbb493a562b095e3abd968d53791bd91824669c36650b083c181463793ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-13T08:37:57Z",
    "title_canon_sha256": "df330920e3b5fc415d3e78a0cad00e9e18eba04744accdbaeac07cbe87bf43c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04506",
    "kind": "arxiv",
    "version": 1
  }
}