Pith Number

pith:4X3FM46K

pith:2020:4X3FM46K7ZDWTYA54ALVMFNO3H

not attested not anchored not stored refs pending

On the geometry of discrete contact mechanics

Alexandre Anahory Simoes, David Mart\'in de Diego, Manuel de Le\'on, Manuel Lainz Valc\'azar

arxiv:2003.11892 v1 · 2020-03-26 · math-ph · cs.NA · math.MP · 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{4X3FM46K7ZDWTYA54ALVMFNO3H}

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	2026-07-05T02:37:26.755276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f65673cafe4769e01de0175615aed9c4b573ca87d1432e5c12ad462ad5aaac

Aliases

arxiv: 2003.11892 · arxiv_version: 2003.11892v1 · doi: 10.48550/arxiv.2003.11892 · pith_short_12: 4X3FM46K7ZDW · pith_short_16: 4X3FM46K7ZDWTYA5 · pith_short_8: 4X3FM46K

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/4X3FM46K7ZDWTYA54ALVMFNO3H \
  | 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: e5f65673cafe4769e01de0175615aed9c4b573ca87d1432e5c12ad462ad5aaac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7633ffa21502420f0c592ad22ae302439b1896301662c81909137a64fd1706",
    "cross_cats_sorted": [
      "cs.NA",
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2020-03-26T13:33:07Z",
    "title_canon_sha256": "0611d1aa3f0b04d6fcd0d71d4eccbd52ae1752aa135979aec3e38640a9e115a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.11892",
    "kind": "arxiv",
    "version": 1
  }
}