Pith Number

pith:2DLS3ECN

pith:2010:2DLS3ECNJXVEPWRPPAWC3GIKSW

not attested not anchored not stored refs pending

Asynchronous Variational Contact Mechanics

David Harmon, Eitan Grinspun, Etienne Vouga, Rasmus Tamstorf

arxiv:1007.3240 v1 · 2010-07-19 · 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{2DLS3ECNJXVEPWRPPAWC3GIKSW}

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	2026-05-18T02:06:12.879711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0d72d904d4dea47da2f782c2d990a959a6662e334254113a10aed136c8a505d

Aliases

arxiv: 1007.3240 · arxiv_version: 1007.3240v1 · doi: 10.48550/arxiv.1007.3240 · pith_short_12: 2DLS3ECNJXVE · pith_short_16: 2DLS3ECNJXVEPWRP · pith_short_8: 2DLS3ECN

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/2DLS3ECNJXVEPWRPPAWC3GIKSW \
  | 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: d0d72d904d4dea47da2f782c2d990a959a6662e334254113a10aed136c8a505d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd38ba7d8cbd5d4ea91591483bc8f5bac9cb1230ee21c1e36b552067b1e6cdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-07-19T18:52:13Z",
    "title_canon_sha256": "2caef93fbf7457abe5091cb76bc4aec375b2f8e024ccc83a61a7a0836c86060a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3240",
    "kind": "arxiv",
    "version": 1
  }
}