Pith Number

pith:ZN4LZ7YR

pith:2019:ZN4LZ7YRDUKNYT6KLRTZERXDRZ

not attested not anchored not stored refs pending

Advancing Through Terrains

Malte Renken, Vincent Froese

arxiv:1904.08746 v3 · 2019-04-18 · cs.CG · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZN4LZ7YRDUKNYT6KLRTZERXDRZ}

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	2026-07-05T01:29:37.064447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb78bcff111d14dc4fca5c679246e38e6e06df004c8aa5c1542cb1f71ac1b5c0

Aliases

arxiv: 1904.08746 · arxiv_version: 1904.08746v3 · doi: 10.48550/arxiv.1904.08746 · pith_short_12: ZN4LZ7YRDUKN · pith_short_16: ZN4LZ7YRDUKNYT6K · pith_short_8: ZN4LZ7YR

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/ZN4LZ7YRDUKNYT6KLRTZERXDRZ \
  | 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: cb78bcff111d14dc4fca5c679246e38e6e06df004c8aa5c1542cb1f71ac1b5c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6296e8b4c455d2c866970b9e2166a01cdb27998c14d72f7fe57a19e37188c3f",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-04-18T13:07:35Z",
    "title_canon_sha256": "17582da1df1c449a87d78ce89a386e8d8dc8ce648710ca17dcfb2f0523c549b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08746",
    "kind": "arxiv",
    "version": 3
  }
}