Pith Number

pith:32CXCGGZ

pith:2015:32CXCGGZWS326YWQYWSTENOZUE

not attested not anchored not stored refs pending

Projection-based model reduction for contact problems

Charbel Farhat, David Amsallem, Maciej Balajewicz

arxiv:1503.01000 v2 · 2015-03-03 · physics.comp-ph · 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{32CXCGGZWS326YWQYWSTENOZUE}

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	2026-05-18T02:03:54.801605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de857118d9b4b7af62d0c5a53235d9a1054d48c8c7f21ab0aaa82652edd17f3b

Aliases

arxiv: 1503.01000 · arxiv_version: 1503.01000v2 · doi: 10.48550/arxiv.1503.01000 · pith_short_12: 32CXCGGZWS32 · pith_short_16: 32CXCGGZWS326YWQ · pith_short_8: 32CXCGGZ

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/32CXCGGZWS326YWQYWSTENOZUE \
  | 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: de857118d9b4b7af62d0c5a53235d9a1054d48c8c7f21ab0aaa82652edd17f3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "293afacdbd19db1071408122d27a314e2209dee4e8509ceaf75287bb8b7f32c9",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2015-03-03T16:37:47Z",
    "title_canon_sha256": "d02163be8f8c38b962fc2c9d40b5a8e00984938ecafef471202998bd87847bc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01000",
    "kind": "arxiv",
    "version": 2
  }
}