Pith Number

pith:XA5BCO7Z

pith:2013:XA5BCO7Z55V43SAERJFFNDFXHT

not attested not anchored not stored refs pending

Oracle Tractability of Skew Bisubmodular Functions

Andrei Krokhin, Anna Huber

arxiv:1308.6505 v1 · 2013-08-29 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XA5BCO7Z55V43SAERJFFNDFXHT}

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	2026-05-18T03:14:39.696723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b83a113bf9ef6bcdc8048a4a568cb73cd6c2f53a7d3b111553f63c8ba03f542c

Aliases

arxiv: 1308.6505 · arxiv_version: 1308.6505v1 · doi: 10.48550/arxiv.1308.6505 · pith_short_12: XA5BCO7Z55V4 · pith_short_16: XA5BCO7Z55V43SAE · pith_short_8: XA5BCO7Z

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/XA5BCO7Z55V43SAERJFFNDFXHT \
  | 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: b83a113bf9ef6bcdc8048a4a568cb73cd6c2f53a7d3b111553f63c8ba03f542c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7734a4ee3a668b152337cc17ee86df7e844859c96e6530b469d33b90703e1be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-08-29T16:03:49Z",
    "title_canon_sha256": "5bafe1c7c7aad2373f921de0ded07a3e64363fbecf902ac83b5b532bb995e186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6505",
    "kind": "arxiv",
    "version": 1
  }
}