Pith Number

pith:WHOM6Y6F

pith:2016:WHOM6Y6FU3BGIIJPZTDC2VDH3O

not attested not anchored not stored refs pending

Unit Interval Vertex Deletion: Fewer Vertices are Relevant

Jianxin Wang, Xiating Ouyang, Yixin Cao, Yuping Ke

arxiv:1607.01162 v1 · 2016-07-05 · 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{WHOM6Y6FU3BGIIJPZTDC2VDH3O}

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	2026-05-18T01:11:30.031907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1dccf63c5a6c264212fccc62d5467dba48e9bf0d8ace10126c4cfbc6f4e5a1c

Aliases

arxiv: 1607.01162 · arxiv_version: 1607.01162v1 · doi: 10.48550/arxiv.1607.01162 · pith_short_12: WHOM6Y6FU3BG · pith_short_16: WHOM6Y6FU3BGIIJP · pith_short_8: WHOM6Y6F

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/WHOM6Y6FU3BGIIJPZTDC2VDH3O \
  | 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: b1dccf63c5a6c264212fccc62d5467dba48e9bf0d8ace10126c4cfbc6f4e5a1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4647ad52791e212fe6434c6b5b1dba1a59fb99df2759d1ecc05b537e22d7094",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-07-05T09:18:40Z",
    "title_canon_sha256": "caa90e0799141cec7453f23c646fc9fbfbb75b8f55f81d2878be2e625bfb03b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01162",
    "kind": "arxiv",
    "version": 1
  }
}