Pith Number

pith:DAH5JHWH

pith:2018:DAH5JHWHMGN3CBTHAP5PQLTC4K

not attested not anchored not stored refs pending

Effective Resistance Preserving Directed Graph Symmetrization

Katherine Fitch

arxiv:1802.09829 v2 · 2018-02-27 · cs.SI · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DAH5JHWHMGN3CBTHAP5PQLTC4K}

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	2026-05-17T23:56:34.123342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180fd49ec7619bb1066703faf82e62e297301d6460505fb08a8297a24d852628

Aliases

arxiv: 1802.09829 · arxiv_version: 1802.09829v2 · doi: 10.48550/arxiv.1802.09829 · pith_short_12: DAH5JHWHMGN3 · pith_short_16: DAH5JHWHMGN3CBTH · pith_short_8: DAH5JHWH

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/DAH5JHWHMGN3CBTHAP5PQLTC4K \
  | 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: 180fd49ec7619bb1066703faf82e62e297301d6460505fb08a8297a24d852628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74547282350816a94c97c7514f5bc6d3dd330516aae9aaffa02d0914e78dcd26",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-02-27T11:16:58Z",
    "title_canon_sha256": "6f203a17ad3e5d7b9561400617fd1a27cf0fd7af3a9ce6cc34888418a621a09b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09829",
    "kind": "arxiv",
    "version": 2
  }
}