pith. sign in
Pith Number

pith:UR524MWO

pith:2014:UR524MWOHUG4PQN5SOGRXRPQSD
not attested not anchored not stored refs pending

Quantifying "Cliffs" in Design Space

J. I. Katz

arxiv:1409.1855 v1 · 2014-09-05 · physics.soc-ph · physics.plasm-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UR524MWOHUG4PQN5SOGRXRPQSD}

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 2026-05-18T02:43:00.222558Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a47bae32ce3d0dc7c1bd938d1bc5f090c61d97b71be5b81b8ffa1a92def8012c

Aliases

arxiv: 1409.1855 · arxiv_version: 1409.1855v1 · doi: 10.48550/arxiv.1409.1855 · pith_short_12: UR524MWOHUG4 · pith_short_16: UR524MWOHUG4PQN5 · pith_short_8: UR524MWO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UR524MWOHUG4PQN5SOGRXRPQSD \
  | 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: a47bae32ce3d0dc7c1bd938d1bc5f090c61d97b71be5b81b8ffa1a92def8012c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cc7ab87035c3fc40e567040ca0b75f1b33559f3dee7530305aca75b3947b1acb",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-09-05T16:11:29Z",
    "title_canon_sha256": "a4fd83932281e0ed61c3f594a5c3fecff104b35bc214b35f3c930bf9bf6f1fc3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1855",
    "kind": "arxiv",
    "version": 1
  }
}