Pith Number

pith:2STDLITK

pith:2017:2STDLITKZI346CZMXNFD7BTQD7

not attested not anchored not stored refs pending

Covering Uncertain Points in a Tree

Haitao Wang, Jingru Zhang

arxiv:1704.07497 v1 · 2017-04-24 · 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{2STDLITKZI346CZMXNFD7BTQD7}

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	2026-05-18T00:45:37.877164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4a635a26aca37cf0b2cbb4a3f86701fdf6d5148f088a25fae1e7e8178306b7c

Aliases

arxiv: 1704.07497 · arxiv_version: 1704.07497v1 · doi: 10.48550/arxiv.1704.07497 · pith_short_12: 2STDLITKZI34 · pith_short_16: 2STDLITKZI346CZM · pith_short_8: 2STDLITK

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/2STDLITKZI346CZMXNFD7BTQD7 \
  | 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: d4a635a26aca37cf0b2cbb4a3f86701fdf6d5148f088a25fae1e7e8178306b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5591bebba517557cd9abf326939492422cada8351d238bc4754d2848c1a68ef7",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-04-24T23:58:10Z",
    "title_canon_sha256": "bc2dd174c3d3c3eb4ed8fab3791cb5da2931c338cde3e0ef6233a9b4856f2760"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07497",
    "kind": "arxiv",
    "version": 1
  }
}