Pith Number

pith:AQFQDIVK

pith:2017:AQFQDIVKZS3MSVMZ2E2TNCTEI5

not attested not anchored not stored refs pending

On the Integrality Gap of the Prize-Collecting Steiner Forest LP

Chaitanya Swamy, Jens Vygen, Jochen K\"onemann, Kanstantsin Pashkovich, Neil Olver, R. Ravi

arxiv:1706.06565 v1 · 2017-06-20 · cs.DM · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AQFQDIVKZS3MSVMZ2E2TNCTEI5}

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	2026-05-18T00:42:02.909626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040b01a2aaccb6c95599d135368a644754e0a4bddc815897186b9473ef850bcc

Aliases

arxiv: 1706.06565 · arxiv_version: 1706.06565v1 · doi: 10.48550/arxiv.1706.06565 · pith_short_12: AQFQDIVKZS3M · pith_short_16: AQFQDIVKZS3MSVMZ · pith_short_8: AQFQDIVK

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/AQFQDIVKZS3MSVMZ2E2TNCTEI5 \
  | 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: 040b01a2aaccb6c95599d135368a644754e0a4bddc815897186b9473ef850bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "395165fe353307e010733264df6eef76b9cd43b1a54d52f04739e0b652c03c5f",
    "cross_cats_sorted": [
      "cs.DS",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-06-20T17:41:43Z",
    "title_canon_sha256": "abeaabbecaa08b997a3790bdaff2a1dc03a5c3b27fa3b46fc993afe8db4059e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06565",
    "kind": "arxiv",
    "version": 1
  }
}