Pith Number

pith:DBZH75OK

pith:2011:DBZH75OKHFTEFXZGNLZOOO4LMP

not attested not anchored not stored refs pending

Angle-Restricted Steiner Arborescences for Flow Map Layout

Bettina Speckmann, Kevin Buchin, Kevin Verbeek

arxiv:1109.3316 v1 · 2011-09-15 · cs.CG · 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{DBZH75OKHFTEFXZGNLZOOO4LMP}

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	2026-05-18T04:12:56.966768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18727ff5ca396642df266af2e73b8b63ed409e57556f9fb89a5df005e0a5cc37

Aliases

arxiv: 1109.3316 · arxiv_version: 1109.3316v1 · doi: 10.48550/arxiv.1109.3316 · pith_short_12: DBZH75OKHFTE · pith_short_16: DBZH75OKHFTEFXZG · pith_short_8: DBZH75OK

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/DBZH75OKHFTEFXZGNLZOOO4LMP \
  | 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: 18727ff5ca396642df266af2e73b8b63ed409e57556f9fb89a5df005e0a5cc37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba5b653d07c91fdf358b6b4f64b58fc12827c20d6b4a63e2a782dbfff4e0f88a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-09-15T11:22:51Z",
    "title_canon_sha256": "ac2d3b3091943c4b2be8ae67d55a79be709316f07dc7d3565aa690ccb7c12f77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3316",
    "kind": "arxiv",
    "version": 1
  }
}