Pith Number

pith:5ME4MM3Z

pith:2015:5ME4MM3ZLV6XCIXDWVQJSK3OQJ

not attested not anchored not stored refs pending

Strong reductions for extended formulations

Aurko Roy, G\'abor Braun, Sebastian Pokutta

arxiv:1512.04932 v3 · 2015-12-15 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ME4MM3ZLV6XCIXDWVQJSK3OQJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:02:46.033226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb09c633795d7d7122e3b560992b6e82584b5b6625a6e2d20029fb5ac1fa917b

Aliases

arxiv: 1512.04932 · arxiv_version: 1512.04932v3 · doi: 10.48550/arxiv.1512.04932 · pith_short_12: 5ME4MM3ZLV6X · pith_short_16: 5ME4MM3ZLV6XCIXD · pith_short_8: 5ME4MM3Z

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/5ME4MM3ZLV6XCIXDWVQJSK3OQJ \
  | 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: eb09c633795d7d7122e3b560992b6e82584b5b6625a6e2d20029fb5ac1fa917b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c9972835c6ad6498dd623225065a3d27449917da74d02a71066c6d2d4cdd50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-12-15T20:50:27Z",
    "title_canon_sha256": "a7622affb7afe1088d33607e9a2cc30b3b799e50039d053147c349ab35d1aa55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04932",
    "kind": "arxiv",
    "version": 3
  }
}