Pith Number

pith:KKYFEQVO

pith:2017:KKYFEQVO7CTO53N6XQATYHBKZC

not attested not anchored not stored refs pending

On inverse Wiener interval problem of trees

Jelena Sedlar

arxiv:1704.00964 v1 · 2017-04-04 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKYFEQVO7CTO53N6XQATYHBKZC}

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	2026-05-18T00:47:18.733303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52b05242aef8a6eeedbebc013c1c2ac89d8a6ca07a0d3cb313c63985415ba5d2

Aliases

arxiv: 1704.00964 · arxiv_version: 1704.00964v1 · doi: 10.48550/arxiv.1704.00964 · pith_short_12: KKYFEQVO7CTO · pith_short_16: KKYFEQVO7CTO53N6 · pith_short_8: KKYFEQVO

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/KKYFEQVO7CTO53N6XQATYHBKZC \
  | 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: 52b05242aef8a6eeedbebc013c1c2ac89d8a6ca07a0d3cb313c63985415ba5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d33251cac19f9257b5d81b1f3ef2906d2f710f14c446b9e2082258d39324cb6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-04T11:40:27Z",
    "title_canon_sha256": "c5eef44921f916fd01d19dc0fc7fbbdace4c5867c3d1e1b667881880fbf0d29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00964",
    "kind": "arxiv",
    "version": 1
  }
}