Pith Number

pith:M75ML7KS

pith:2019:M75ML7KS23B4K2BYVAXPY24CPF

not attested not anchored not stored refs pending

Spectral Coarsening of Geometric Operators

Alec Jacobson, Hsueh-Ti Derek Liu, Maks Ovsjanikov

arxiv:1905.05161 v1 · 2019-05-08 · 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{M75ML7KS23B4K2BYVAXPY24CPF}

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	2026-05-17T23:46:22.377851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fac5fd52d6c3c56838a82efc6b827964eec5def1d3aed350afcb13d04e726b

Aliases

arxiv: 1905.05161 · arxiv_version: 1905.05161v1 · doi: 10.48550/arxiv.1905.05161 · pith_short_12: M75ML7KS23B4 · pith_short_16: M75ML7KS23B4K2BY · pith_short_8: M75ML7KS

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/M75ML7KS23B4K2BYVAXPY24CPF \
  | 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: 67fac5fd52d6c3c56838a82efc6b827964eec5def1d3aed350afcb13d04e726b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3aa5461124fcf9b4ef6f997b5a8f2731ce95053e574e125a19f4dea8a82d881d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2019-05-08T17:50:37Z",
    "title_canon_sha256": "fa06616e2c22b2f3daf1160a1fd9f8c31f05f9973988ea30c843340bd7a81a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05161",
    "kind": "arxiv",
    "version": 1
  }
}