Pith Number

pith:SMBJ3PCV

pith:2016:SMBJ3PCVSG3QHYWOLD3EKYBCDE

not attested not anchored not stored refs pending

Fast Approximation Algorithms for the Generalized Survivable Network Design Problem

Andreas Emil Feldmann, Jochen K\"onemann, Kanstantsin Pashkovich, Laura Sanit\`a

arxiv:1604.07049 v1 · 2016-04-24 · math.OC · cs.DM · cs.DS · 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{SMBJ3PCVSG3QHYWOLD3EKYBCDE}

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	2026-05-18T01:16:23.184643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93029dbc5591b703e2ce58f6456022192774ef20fb7315c4f8ac03db8704106a

Aliases

arxiv: 1604.07049 · arxiv_version: 1604.07049v1 · doi: 10.48550/arxiv.1604.07049 · pith_short_12: SMBJ3PCVSG3Q · pith_short_16: SMBJ3PCVSG3QHYWO · pith_short_8: SMBJ3PCV

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/SMBJ3PCVSG3QHYWOLD3EKYBCDE \
  | 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: 93029dbc5591b703e2ce58f6456022192774ef20fb7315c4f8ac03db8704106a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84137c6dcfbbc30de8b16049f0203c8b4aac0f01518aabffb038d8c1c1694577",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-24T16:40:41Z",
    "title_canon_sha256": "221a892518c6d541897512133b8727114f33066836d488d118d53576548ba8e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07049",
    "kind": "arxiv",
    "version": 1
  }
}