Pith Number

pith:JVYZCCUG

pith:2008:JVYZCCUG6DHW6J5GKTZDKEYWTH

not attested not anchored not stored refs pending

Numerical method for Darcy flow derived using Discrete Exterior Calculus

Anil N. Hirani, Jehanzeb H. Chaudhry, Kalyana B. Nakshatrala

arxiv:0810.3434 v4 · 2008-10-19 · math.NA · cs.NA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVYZCCUG6DHW6J5GKTZDKEYWTH}

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	2026-05-18T04:14:27.692881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d71910a86f0cf6f27a654f235131699f4878cc941f760a95f259fed8048479f

Aliases

arxiv: 0810.3434 · arxiv_version: 0810.3434v4 · doi: 10.48550/arxiv.0810.3434 · pith_short_12: JVYZCCUG6DHW · pith_short_16: JVYZCCUG6DHW6J5G · pith_short_8: JVYZCCUG

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/JVYZCCUG6DHW6J5GKTZDKEYWTH \
  | 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: 4d71910a86f0cf6f27a654f235131699f4878cc941f760a95f259fed8048479f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b99071de55b3d95fbf13bf1b33904965ec470160614803b304810203b1d9fee",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-10-19T21:26:28Z",
    "title_canon_sha256": "5200a927eceed6a3a010cbedbed9ac4d662a82686f2613daa1b6e0b0f5bd8d74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3434",
    "kind": "arxiv",
    "version": 4
  }
}