Pith Number

pith:HGRTLDHT

pith:2017:HGRTLDHTKNLIZEDPME63KPT2WK

not attested not anchored not stored refs pending

Linear-time approximation schemes for planar minimum three-edge connected and three-vertex connected spanning subgraphs

Baigong Zheng

arxiv:1701.08315 v1 · 2017-01-28 · 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{HGRTLDHTKNLIZEDPME63KPT2WK}

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	2026-05-18T00:51:54.552540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a3358cf353568c906f613db53e7ab2904d70294103a26270c59ecd5dda9a43

Aliases

arxiv: 1701.08315 · arxiv_version: 1701.08315v1 · doi: 10.48550/arxiv.1701.08315 · pith_short_12: HGRTLDHTKNLI · pith_short_16: HGRTLDHTKNLIZEDP · pith_short_8: HGRTLDHT

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/HGRTLDHTKNLIZEDPME63KPT2WK \
  | 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: 39a3358cf353568c906f613db53e7ab2904d70294103a26270c59ecd5dda9a43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18ddf447cfd30e3531c7dad4382871b2f2c16be2ba4f52d90baf79f2dd0ca336",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-01-28T19:05:52Z",
    "title_canon_sha256": "b0887cfd7df90874b855965fc437bcc002508ada7d0fcee3fc420d60b16b8950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08315",
    "kind": "arxiv",
    "version": 1
  }
}