Pith Number

pith:OK4ZTO5K

pith:2012:OK4ZTO5KYV32LX7DOQRZG5C4K7

not attested not anchored not stored refs pending

A Mazing 2+eps Approximation for Unsplittable Flow on a Path

Andreas Wiese, Aris Anagnostopoulos, Fabrizio Grandoni, Stefano Leonardi

arxiv:1211.2670 v1 · 2012-11-12 · 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{OK4ZTO5KYV32LX7DOQRZG5C4K7}

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	2026-05-18T03:41:02.125478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72b999bbaac577a5dfe3742393745c57e67f903e61b95a331612756cd02b5297

Aliases

arxiv: 1211.2670 · arxiv_version: 1211.2670v1 · doi: 10.48550/arxiv.1211.2670 · pith_short_12: OK4ZTO5KYV32 · pith_short_16: OK4ZTO5KYV32LX7D · pith_short_8: OK4ZTO5K

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/OK4ZTO5KYV32LX7DOQRZG5C4K7 \
  | 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: 72b999bbaac577a5dfe3742393745c57e67f903e61b95a331612756cd02b5297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02f7cd02a666d6371d124b4d96400f598588b5e80f367dfb526e45fdafb222a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-11-12T15:56:03Z",
    "title_canon_sha256": "3971680d33138f19011d6cd892093e275b0d552d882b1fa8a7148c631f9479ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2670",
    "kind": "arxiv",
    "version": 1
  }
}