Pith Number

pith:QGY2N7HR

pith:2014:QGY2N7HRRKJH7DRSSS2GHHMGMB

not attested not anchored not stored refs pending

Specifying and Verifying Properties of Space - Extended Version

Diego Latella, Michele Loreti, Mieke Massink, Vincenzo Ciancia

arxiv:1406.6393 v2 · 2014-06-24 · 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{QGY2N7HRRKJH7DRSSS2GHHMGMB}

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	2026-05-18T02:48:56.115844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81b1a6fcf18a927f8e3294b4639d86605c1232428feed7f3452e08fd29df697f

Aliases

arxiv: 1406.6393 · arxiv_version: 1406.6393v2 · doi: 10.48550/arxiv.1406.6393 · pith_short_12: QGY2N7HRRKJH · pith_short_16: QGY2N7HRRKJH7DRS · pith_short_8: QGY2N7HR

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/QGY2N7HRRKJH7DRSSS2GHHMGMB \
  | 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: 81b1a6fcf18a927f8e3294b4639d86605c1232428feed7f3452e08fd29df697f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15de79a13c38e030549820e7c07b9eac0a7328f02aab901274cc9754c00bfff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-06-24T21:10:29Z",
    "title_canon_sha256": "5d7ca2c0c0e06457c81eca86d5a1495a4da5f1142cee140c6dcce265b26fd180"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6393",
    "kind": "arxiv",
    "version": 2
  }
}