Pith Number

pith:7T6EDAFE

pith:2018:7T6EDAFE7TRCC5YT3JQMO2KRAR

not attested not anchored not stored refs pending

Flow Smoothing and Denoising: Graph Signal Processing in the Edge-Space

Michael T. Schaub, Santiago Segarra

arxiv:1808.02111 v1 · 2018-08-06 · cs.DM · cs.SI · cs.SY · 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{7T6EDAFE7TRCC5YT3JQMO2KRAR}

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	2026-05-17T23:49:27.603816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcfc4180a4fce2217713da60c76951046e607f7143ea5edc5e37d3695e489e57

Aliases

arxiv: 1808.02111 · arxiv_version: 1808.02111v1 · doi: 10.48550/arxiv.1808.02111 · pith_short_12: 7T6EDAFE7TRC · pith_short_16: 7T6EDAFE7TRCC5YT · pith_short_8: 7T6EDAFE

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/7T6EDAFE7TRCC5YT3JQMO2KRAR \
  | 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: fcfc4180a4fce2217713da60c76951046e607f7143ea5edc5e37d3695e489e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d6df388ce4e110c0f6df534395e2d2a161cba93959c0380312a1c3c96dff5ae",
    "cross_cats_sorted": [
      "cs.SI",
      "cs.SY",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-08-06T20:59:58Z",
    "title_canon_sha256": "4924dd65b26d7e9c93c2747e8741a364c309605965353276d4d9bcf5329ce797"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02111",
    "kind": "arxiv",
    "version": 1
  }
}