Pith Number

pith:NV67NZMM

pith:2012:NV67NZMMCKCMLDEPQDU6G2ZXZ7

not attested not anchored not stored refs pending

Digging Deeper into Deep Web Databases by Breaking Through the Top-k Barrier

Gautam Das, Nan Zhang, Saravanan Thirumuruganathan

arxiv:1208.3876 v1 · 2012-08-19 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV67NZMMCKCMLDEPQDU6G2ZXZ7}

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	2026-05-18T03:48:25.888627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7df6e58c1284c58c8f80e9e36b37cfe9083b327be502e4c6d99eeb97a1bb5e

Aliases

arxiv: 1208.3876 · arxiv_version: 1208.3876v1 · doi: 10.48550/arxiv.1208.3876 · pith_short_12: NV67NZMMCKCM · pith_short_16: NV67NZMMCKCMLDEP · pith_short_8: NV67NZMM

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/NV67NZMMCKCMLDEPQDU6G2ZXZ7 \
  | 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: 6d7df6e58c1284c58c8f80e9e36b37cfe9083b327be502e4c6d99eeb97a1bb5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd5cf0114dee6f11dc698143453ed2bfda96e4d9265e4f51c7a62ae9f4eee71",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-08-19T18:34:28Z",
    "title_canon_sha256": "68fc01813bffbba58517ec32c32e0f45b455645031b924eeb350a15240501c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3876",
    "kind": "arxiv",
    "version": 1
  }
}