Pith Number

pith:FIIPBXFW

pith:2020:FIIPBXFWETHQPMC55WFVYXVR3L

not attested not anchored not stored refs pending

Settling SETH vs. Approximate Sparse Directed Unweighted Diameter (up to (NU)NSETH)

Ray Li

arxiv:2008.05106 v3 · 2020-08-12 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIIPBXFWETHQPMC55WFVYXVR3L}

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	2026-07-05T02:28:32.242906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a10f0dcb624cf07b05ded8b5c5eb1daf513d9894c08476c1b5bc42d82156cc0

Aliases

arxiv: 2008.05106 · arxiv_version: 2008.05106v3 · doi: 10.48550/arxiv.2008.05106 · pith_short_12: FIIPBXFWETHQ · pith_short_16: FIIPBXFWETHQPMC5 · pith_short_8: FIIPBXFW

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/FIIPBXFWETHQPMC55WFVYXVR3L \
  | 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: 2a10f0dcb624cf07b05ded8b5c5eb1daf513d9894c08476c1b5bc42d82156cc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63ff32b99054879437e7361967e1470c83a358848a8569cde98a46bbbb7a5906",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-08-12T04:43:01Z",
    "title_canon_sha256": "fb3d306ae2552655941da3d2c581b334f176a95ed26c6d4dc9601bdd471b3942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.05106",
    "kind": "arxiv",
    "version": 3
  }
}