Pith Number

pith:E5FSL32I

pith:2009:E5FSL32IN3WFO263MYEIUMV4RW

not attested not anchored not stored refs pending

Computation of Maxwell's equations on Manifold using DEC

Yujie Ma, Zheng Xie

arxiv:0908.4448 v6 · 2009-08-31 · math.NA · cs.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{E5FSL32IN3WFO263MYEIUMV4RW}

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	2026-06-03T23:06:28.470271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

274b25ef486eec576bdb66088a32bc8d878a1f196d35ee1f20bd7917b367c2c4

Aliases

arxiv: 0908.4448 · arxiv_version: 0908.4448v6 · doi: 10.48550/arxiv.0908.4448 · pith_short_12: E5FSL32IN3WF · pith_short_16: E5FSL32IN3WFO263 · pith_short_8: E5FSL32I

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/E5FSL32IN3WFO263MYEIUMV4RW \
  | 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: 274b25ef486eec576bdb66088a32bc8d878a1f196d35ee1f20bd7917b367c2c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bd74139b933fdb2c17be1f3925f60db75352f431de2278c553f53fd6bf90b6b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-08-31T02:45:34Z",
    "title_canon_sha256": "5424aac43ef1407f846acfe6bc67d7acd60fae7916d46acfd5a08e06e806825c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4448",
    "kind": "arxiv",
    "version": 6
  }
}