Pith Number

pith:RICANZZJ

pith:2018:RICANZZJAFCOE3SBNZSVBM2TFB

not attested not anchored not stored refs pending

On the Distance Identifying Set meta-problem and applications to the complexity of identifying problems on graphs

Florian Barbero, Jocelyn Thiebaut, Lucas Isenmann

arxiv:1810.03868 v1 · 2018-10-09 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RICANZZJAFCOE3SBNZSVBM2TFB}

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	2026-05-18T00:03:44.371938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0406e7290144e26e416e6550b353287adcbfbecdfab41cf6dec74602039d13

Aliases

arxiv: 1810.03868 · arxiv_version: 1810.03868v1 · doi: 10.48550/arxiv.1810.03868 · pith_short_12: RICANZZJAFCO · pith_short_16: RICANZZJAFCOE3SB · pith_short_8: RICANZZJ

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/RICANZZJAFCOE3SBNZSVBM2TFB \
  | 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: 8a0406e7290144e26e416e6550b353287adcbfbecdfab41cf6dec74602039d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4916e2d4362c9540b0f72db20546140ee96ea3e9d913fe40a21369443c52893",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-10-09T09:14:15Z",
    "title_canon_sha256": "e2395e4c1c5ff9629a2ee42c34a13cea86ce4ae76cf1c22d731376f70aca6972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03868",
    "kind": "arxiv",
    "version": 1
  }
}