Pith Number

pith:HMA4LO7U

pith:2013:HMA4LO7U6BO4DWMEPDK7GEZHTO

not attested not anchored not stored refs pending

Algebraic Properties of Qualitative Spatio-Temporal Calculi

Diedrich Wolter, Frank Dylla, Thomas Schneider, Till Mossakowski

arxiv:1305.7345 v2 · 2013-05-31 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMA4LO7U6BO4DWMEPDK7GEZHTO}

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	2026-05-18T03:13:23.340734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b01c5bbf4f05dc1d98478d5f313279b85032267e07b959ee553c370b1755552

Aliases

arxiv: 1305.7345 · arxiv_version: 1305.7345v2 · doi: 10.48550/arxiv.1305.7345 · pith_short_12: HMA4LO7U6BO4 · pith_short_16: HMA4LO7U6BO4DWME · pith_short_8: HMA4LO7U

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/HMA4LO7U6BO4DWMEPDK7GEZHTO \
  | 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: 3b01c5bbf4f05dc1d98478d5f313279b85032267e07b959ee553c370b1755552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b84881e6ed6d1cdae57c9de5fd303b796f1ef8d487a2361fe9663ede6e3785e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-05-31T10:15:18Z",
    "title_canon_sha256": "4e0fa69452ab98558883e6cf7613000726c36af92cba04b5556594e5cecce3b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7345",
    "kind": "arxiv",
    "version": 2
  }
}