Pith Number

pith:5PELUGOM

pith:2018:5PELUGOML3MRYPZ6DS4W4LFLDG

not attested not anchored not stored refs pending

(FPT-)Approximation Algorithms for the Virtual Network Embedding Problem

Matthias Rost, Stefan Schmid

arxiv:1803.04452 v1 · 2018-03-12 · cs.NI · 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{5PELUGOML3MRYPZ6DS4W4LFLDG}

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	2026-05-18T00:21:19.006722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebc8ba19cc5ed91c3f3e1cb96e2cab19aaf682071af29bb3df3ec55105457573

Aliases

arxiv: 1803.04452 · arxiv_version: 1803.04452v1 · doi: 10.48550/arxiv.1803.04452 · pith_short_12: 5PELUGOML3MR · pith_short_16: 5PELUGOML3MRYPZ6 · pith_short_8: 5PELUGOM

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/5PELUGOML3MRYPZ6DS4W4LFLDG \
  | 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: ebc8ba19cc5ed91c3f3e1cb96e2cab19aaf682071af29bb3df3ec55105457573

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163ee0a2651c2002d444ac81f9a6a0a21d59d47855983984722fedfff218a7e9",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2018-03-12T18:44:46Z",
    "title_canon_sha256": "585ac868863f9c9a6fcb69c0da93a97e28b461a291b4f7d435d515589df499fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04452",
    "kind": "arxiv",
    "version": 1
  }
}