Pith Number

pith:AFQ7MLLL

pith:2011:AFQ7MLLLXU5TPW2SC3WJZ5Q6UR

not attested not anchored not stored refs pending

On the Limitations of Provenance for Queries With Difference

Daniel Deutch, Val Tannen, Yael Amsterdamer

arxiv:1105.2255 v1 · 2011-05-11 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AFQ7MLLLXU5TPW2SC3WJZ5Q6UR}

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	2026-05-18T02:22:00.395085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0161f62d6bbd3b37db5216ec9cf61ea46ca321092ab8da95631c15458ab9afd2

Aliases

arxiv: 1105.2255 · arxiv_version: 1105.2255v1 · doi: 10.48550/arxiv.1105.2255 · pith_short_12: AFQ7MLLLXU5T · pith_short_16: AFQ7MLLLXU5TPW2S · pith_short_8: AFQ7MLLL

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/AFQ7MLLLXU5TPW2SC3WJZ5Q6UR \
  | 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: 0161f62d6bbd3b37db5216ec9cf61ea46ca321092ab8da95631c15458ab9afd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91bf587552b6171edee7cf06ff5d9837fa4bddcf15b44a8ac4c645d4e1e586c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-05-11T17:22:32Z",
    "title_canon_sha256": "e72eff3885b07028d529b3225156775edd65ba5df843e6ac8cc6b1002a4ffaa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2255",
    "kind": "arxiv",
    "version": 1
  }
}