Pith Number

pith:DMKFO6MT

pith:2012:DMKFO6MTQ5BM26DC5MZOB7VG57

not attested not anchored not stored refs pending

Vision Paper: Towards an Understanding of the Limits of Map-Reduce Computation

Anish Das Sarma, Foto N. Afrati, Jeffrey D. Ullman, Semih Salihoglu

arxiv:1204.1754 v1 · 2012-04-08 · cs.DB · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMKFO6MTQ5BM26DC5MZOB7VG57}

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	2026-05-18T03:58:15.283192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b145779938742cd7862eb32e0fea6efe77c20a09b2f034fd2331ae0b2f1514a

Aliases

arxiv: 1204.1754 · arxiv_version: 1204.1754v1 · doi: 10.48550/arxiv.1204.1754 · pith_short_12: DMKFO6MTQ5BM · pith_short_16: DMKFO6MTQ5BM26DC · pith_short_8: DMKFO6MT

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/DMKFO6MTQ5BM26DC5MZOB7VG57 \
  | 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: 1b145779938742cd7862eb32e0fea6efe77c20a09b2f034fd2331ae0b2f1514a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da8d102c404aa7922e4a54fca7f2a713e0e1250b932e5e84e26eeeb3e4837250",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-04-08T19:10:07Z",
    "title_canon_sha256": "ae06a4a49f03315e0ae8e058bf8e481f43151a213ab66c21ef430f9542c3b5fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1754",
    "kind": "arxiv",
    "version": 1
  }
}