Pith Number

pith:MEYRT2UE

pith:2026:MEYRT2UEQVNJEGCIV2ZGBY66QX

not attested not anchored not stored refs pending

Harmonic Analysis on Graphs via Isometric Group Embedding: A Canonical Fourier Transform, Shift, and Convolution for Network Signals

Laurent Bitjoka, Rigobert Fokam Souop

arxiv:2607.13338 v1 · 2026-07-14 · eess.SP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MEYRT2UEQVNJEGCIV2ZGBY66QX}

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	2026-07-16T00:22:13.064039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

613119ea84855a921848aeb260e3de85c9b663636d582a88d4db07c396e841ef

Aliases

arxiv: 2607.13338 · arxiv_version: 2607.13338v1 · doi: 10.48550/arxiv.2607.13338 · pith_short_12: MEYRT2UEQVNJ · pith_short_16: MEYRT2UEQVNJEGCI · pith_short_8: MEYRT2UE

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/MEYRT2UEQVNJEGCIV2ZGBY66QX \
  | 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: 613119ea84855a921848aeb260e3de85c9b663636d582a88d4db07c396e841ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23cc4488fd2c9186fd58e4aa409d286c132b371832ce2891eb38d5115fbdf8b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-14T23:53:38Z",
    "title_canon_sha256": "2f3035c04a3e7032934360e2ac82510d872b602ded0165f157c176ec6a01dbeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13338",
    "kind": "arxiv",
    "version": 1
  }
}