Pith Number

pith:VWYMBUIW

pith:2023:VWYMBUIWF5ZP2GCQOZOEKNZ657

not attested not anchored not stored refs pending

Animating Sand, Mud, and Snow

James F. O'Brien, Jessica K. Hodgins, Robert W. Sumner

arxiv:2302.08683 v2 · 2023-02-17 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VWYMBUIWF5ZP2GCQOZOEKNZ657}

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	2026-07-05T05:44:27.797608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adb0c0d1162f72fd1850765c45373eefe8800213c5515cdaf7aca35af27e8a96

Aliases

arxiv: 2302.08683 · arxiv_version: 2302.08683v2 · doi: 10.48550/arxiv.2302.08683 · pith_short_12: VWYMBUIWF5ZP · pith_short_16: VWYMBUIWF5ZP2GCQ · pith_short_8: VWYMBUIW

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/VWYMBUIWF5ZP2GCQOZOEKNZ657 \
  | 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: adb0c0d1162f72fd1850765c45373eefe8800213c5515cdaf7aca35af27e8a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b112414789ecb2ffac1f5b9e7e66678b20613db39395c3a369ef9dd458630687",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2023-02-17T04:18:05Z",
    "title_canon_sha256": "311917029989e705558327b63ec486611f63517ebf4a57fdd9bd2fd0b1d5e686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.08683",
    "kind": "arxiv",
    "version": 2
  }
}