pith. sign in
Pith Number

pith:S4T3O74L

pith:2015:S4T3O74LVNBGQCQEYT3DM6I4XF
not attested not anchored not stored refs pending

Pinning Down versus Density

Istv\'an Juh\'asz, Lajos Soukup, Zolt\'an Szentmikl\'ossy

arxiv:1506.00206 v1 · 2015-05-31 · math.GN · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{S4T3O74LVNBGQCQEYT3DM6I4XF}

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 2026-05-18T01:59:34.438657Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9727b77f8bab42680a04c4f636791cb95260d4ec1d84e62cf45f34d4afee3abe

Aliases

arxiv: 1506.00206 · arxiv_version: 1506.00206v1 · doi: 10.48550/arxiv.1506.00206 · pith_short_12: S4T3O74LVNBG · pith_short_16: S4T3O74LVNBGQCQE · pith_short_8: S4T3O74L
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/S4T3O74LVNBGQCQEYT3DM6I4XF \
  | 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: 9727b77f8bab42680a04c4f636791cb95260d4ec1d84e62cf45f34d4afee3abe
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2c6ed2a947262553808cd64226a0862fd84f35b0b332e8f21a9e264561601413",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-05-31T09:06:57Z",
    "title_canon_sha256": "64dc6cf1d4c85732dab48aa8371dc16bb6588a65cf6a811a269c022d4c3c4615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00206",
    "kind": "arxiv",
    "version": 1
  }
}