Pith Number

pith:6Q7AIM2Z

pith:2010:6Q7AIM2Z3SRKZFQTTVDZJICENZ

not attested not anchored not stored refs pending

A simple finite difference method for time-dependent, variable coefficient Stokes flow on irregular domains

Christopher Batty, Robert Bridson

arxiv:1010.2832 v2 · 2010-10-14 · physics.comp-ph · 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{6Q7AIM2Z3SRKZFQTTVDZJICENZ}

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	2026-05-18T04:21:22.571062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f43e043359dca2ac96139d4794a0446e43739997c27e698e32c9df82e4de0223

Aliases

arxiv: 1010.2832 · arxiv_version: 1010.2832v2 · doi: 10.48550/arxiv.1010.2832 · pith_short_12: 6Q7AIM2Z3SRK · pith_short_16: 6Q7AIM2Z3SRKZFQT · pith_short_8: 6Q7AIM2Z

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/6Q7AIM2Z3SRKZFQTTVDZJICENZ \
  | 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: f43e043359dca2ac96139d4794a0446e43739997c27e698e32c9df82e4de0223

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "561b6fdc70f92ee74e6670fcf82585b3010036668141585905d39327f659c8c5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2010-10-14T06:07:55Z",
    "title_canon_sha256": "ac8a50ed7b72d79e8fe7a53cb808b88f3f89f347e38dacba79ec87b344b66b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2832",
    "kind": "arxiv",
    "version": 2
  }
}