Pith Number

pith:2IAT5JHV

pith:2012:2IAT5JHVYMP4LAR4PULHLDNH4T

not attested not anchored not stored refs pending

Syntactic vs. Semantic Locality: How Good Is a Cheap Approximation?

Bijan Parsia, Chiara Del Vescovo, Dmitry Tsarkov, Pavel Klinov, Thomas Schneider, Uli Sattler

arxiv:1207.1641 v1 · 2012-07-06 · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IAT5JHVYMP4LAR4PULHLDNH4T}

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	2026-05-18T03:51:36.675836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2013ea4f5c31fc5823c7d16758da7e4f498ec6c5311551cf2864787a45d7b01

Aliases

arxiv: 1207.1641 · arxiv_version: 1207.1641v1 · doi: 10.48550/arxiv.1207.1641 · pith_short_12: 2IAT5JHVYMP4 · pith_short_16: 2IAT5JHVYMP4LAR4 · pith_short_8: 2IAT5JHV

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/2IAT5JHVYMP4LAR4PULHLDNH4T \
  | 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: d2013ea4f5c31fc5823c7d16758da7e4f498ec6c5311551cf2864787a45d7b01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e521a88cf909ddb371b14afe76aa5574a040aa14e636f2cd32cfcba49dfdc9",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-07-06T14:37:48Z",
    "title_canon_sha256": "fd5c0ffd004d779af67a784e8319d4447000251bdcf0601203a290d0414c1c2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1641",
    "kind": "arxiv",
    "version": 1
  }
}