Pith Number

pith:V7AHLJ5K

pith:2011:V7AHLJ5KYSYICSNKWMEUY2VCH2

not attested not anchored not stored refs pending

A Constant Factor Approximation Algorithm for Unsplittable Flow on Paths

Andreas Wiese, Jens Schulz, Paul Bonsma

arxiv:1102.3643 v2 · 2011-02-17 · 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{V7AHLJ5KYSYICSNKWMEUY2VCH2}

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	2026-05-18T02:22:31.498021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afc075a7aac4b08149aab3094c6aa23e8c93f2b21bc5df61658b4c98605786a3

Aliases

arxiv: 1102.3643 · arxiv_version: 1102.3643v2 · doi: 10.48550/arxiv.1102.3643 · pith_short_12: V7AHLJ5KYSYI · pith_short_16: V7AHLJ5KYSYICSNK · pith_short_8: V7AHLJ5K

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/V7AHLJ5KYSYICSNKWMEUY2VCH2 \
  | 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: afc075a7aac4b08149aab3094c6aa23e8c93f2b21bc5df61658b4c98605786a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b53849040b738ab271d0604b69ce5fcec23af7e89096ec164d7a2553ac167f75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-17T17:43:08Z",
    "title_canon_sha256": "175ff76fc45fba57dfebef876c52e674c68bee0cde778ff21e6f17ccda94ea1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3643",
    "kind": "arxiv",
    "version": 2
  }
}