Pith Number

pith:UUE2WR3D

pith:2018:UUE2WR3DODRU3LFULPWPL6AKAC

not attested not anchored not stored refs pending

Minimizing Branching Vertices in Distance-preserving Subgraphs

Jaikumar Radhakrishnan, Kshitij Gajjar

arxiv:1810.11656 v1 · 2018-10-27 · 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{UUE2WR3DODRU3LFULPWPL6AKAC}

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	2026-05-18T00:02:07.851393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a509ab476370e34dacb45becf5f80a0091a9d0ba085709dbc73afb4ff875b6b8

Aliases

arxiv: 1810.11656 · arxiv_version: 1810.11656v1 · doi: 10.48550/arxiv.1810.11656 · pith_short_12: UUE2WR3DODRU · pith_short_16: UUE2WR3DODRU3LFU · pith_short_8: UUE2WR3D

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/UUE2WR3DODRU3LFULPWPL6AKAC \
  | 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: a509ab476370e34dacb45becf5f80a0091a9d0ba085709dbc73afb4ff875b6b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20056ead58e5f34bb0e07d9a61d01b82023e85180a83ab58a79159e531d1688f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-10-27T14:50:18Z",
    "title_canon_sha256": "9e9ab882297da2293877aa5c14a16d7a8c70122ac5dca638cad02edb9ed7de05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11656",
    "kind": "arxiv",
    "version": 1
  }
}