Pith Number

pith:2XQ77H4W

pith:2018:2XQ77H4WJAPXSPYC2GPV5IT4J4

not attested not anchored not stored refs pending

Isospectralization, or how to hear shape, style, and correspondence

Arianna Rampini, Emanuele Rodol\`a, Luca Cosmo, Maks Ovsjanikov, Michael M. Bronstein, Mikhail Panine

arxiv:1811.11465 v2 · 2018-11-28 · cs.CG · cs.CV · 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{2XQ77H4WJAPXSPYC2GPV5IT4J4}

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	2026-07-05T01:33:32.805243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5e1ff9f96481f793f02d19f5ea27c4f178061abf758006708e238501b37838a

Aliases

arxiv: 1811.11465 · arxiv_version: 1811.11465v2 · doi: 10.48550/arxiv.1811.11465 · pith_short_12: 2XQ77H4WJAPX · pith_short_16: 2XQ77H4WJAPXSPYC · pith_short_8: 2XQ77H4W

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/2XQ77H4WJAPXSPYC2GPV5IT4J4 \
  | 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: d5e1ff9f96481f793f02d19f5ea27c4f178061abf758006708e238501b37838a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7ed9188eb5045020190ce614434a13c2ed1383559299505d6e117ccfb17ea12",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-11-28T09:51:28Z",
    "title_canon_sha256": "588150ac79c74fb1697d194f3bf98b27044b28fa3a22fc67352cb9d186c3f788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11465",
    "kind": "arxiv",
    "version": 2
  }
}