Pith Number

pith:AWTQZ6SL

pith:2021:AWTQZ6SLSWQB2BTG6FRH4ZZEOR

not attested not anchored not stored refs pending

Placing Green Bridges Optimally, with a Multivariate Analysis

Leon Kellerhals, Till Fluschnik

arxiv:2102.04539 v3 · 2021-02-08 · cs.CC · cs.DM · 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{AWTQZ6SLSWQB2BTG6FRH4ZZEOR}

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	2026-07-05T08:02:40.185642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05a70cfa4b95a01d0666f1627e6724747d8034a63a08678d2e0dd452198d31a2

Aliases

arxiv: 2102.04539 · arxiv_version: 2102.04539v3 · doi: 10.48550/arxiv.2102.04539 · pith_short_12: AWTQZ6SLSWQB · pith_short_16: AWTQZ6SLSWQB2BTG · pith_short_8: AWTQZ6SL

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/AWTQZ6SLSWQB2BTG6FRH4ZZEOR \
  | 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: 05a70cfa4b95a01d0666f1627e6724747d8034a63a08678d2e0dd452198d31a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49dfd5c85372aef608426cad6ddead90fc67618ea2bbd04dde751cb3b6c1faaf",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2021-02-08T21:30:33Z",
    "title_canon_sha256": "10174969546941649a25f2eb5b192c1b7510b3f9c2b5427c098cb932a51ffa7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.04539",
    "kind": "arxiv",
    "version": 3
  }
}