Pith Number

pith:HEGUJQ2I

pith:2018:HEGUJQ2IFTCPEFSN7FUZNS3L4M

not attested not anchored not stored refs pending

Reachability and Distances under Multiple Changes

Anish Mukherjee, Nils Vortmeier, Samir Datta, Thomas Zeume

arxiv:1804.08555 v1 · 2018-04-23 · cs.LO · 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{HEGUJQ2IFTCPEFSN7FUZNS3L4M}

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	2026-05-18T00:17:37.552848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

390d44c3482cc4f2164df96996cb6be31d528e1b0cbe0d88778989d52b32a6ce

Aliases

arxiv: 1804.08555 · arxiv_version: 1804.08555v1 · doi: 10.48550/arxiv.1804.08555 · pith_short_12: HEGUJQ2IFTCP · pith_short_16: HEGUJQ2IFTCPEFSN · pith_short_8: HEGUJQ2I

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/HEGUJQ2IFTCPEFSN7FUZNS3L4M \
  | 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: 390d44c3482cc4f2164df96996cb6be31d528e1b0cbe0d88778989d52b32a6ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c7a6df079e842f76c65441db93a51aee04602e70fcf9b998f0dfc9c15849dad",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-23T16:44:12Z",
    "title_canon_sha256": "e9d07693e0abbbf4f1726123520f21384245dc86e63241dc29da1e9986457662"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08555",
    "kind": "arxiv",
    "version": 1
  }
}