pith. sign in
Pith Number

pith:SJGKHCE4

pith:2014:SJGKHCE4YCELCNIOHR4OMXGK6G
not attested not anchored not stored refs pending

Symmetric ribbon disks

Paolo Aceto

arxiv:1407.6648 v3 · 2014-07-24 · math.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SJGKHCE4YCELCNIOHR4OMXGK6G}

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 2026-05-18T02:27:44.415927Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

924ca3889cc088b1350e3c78e65ccaf1bbc39a414d7d544e08fc1055e0622099

Aliases

arxiv: 1407.6648 · arxiv_version: 1407.6648v3 · doi: 10.48550/arxiv.1407.6648 · pith_short_12: SJGKHCE4YCEL · pith_short_16: SJGKHCE4YCELCNIO · pith_short_8: SJGKHCE4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SJGKHCE4YCELCNIOHR4OMXGK6G \
  | 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: 924ca3889cc088b1350e3c78e65ccaf1bbc39a414d7d544e08fc1055e0622099
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bcb733f1d4c2438b67c8e704d6b61099295c9d8ee3faaf832e8ea97c81944e8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-07-24T16:56:30Z",
    "title_canon_sha256": "1cf503c15acced7e62a981cf240e8a6915a8fd0be6c13eb9996b5ec499a6348d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6648",
    "kind": "arxiv",
    "version": 3
  }
}