pith. sign in
Pith Number

pith:JGV6Q7LD

pith:2012:JGV6Q7LDYE24H5COBM3JZZT4H2
not attested not anchored not stored refs pending

Positive braids of maximal signature

Sebastian Baader

arxiv:1211.4824 v1 · 2012-11-20 · math.GT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JGV6Q7LDYE24H5COBM3JZZT4H2}

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 2026-05-18T03:40:16.736763Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

49abe87d63c135c3f44e0b369ce67c3e98c8f7899c28f72dd92631e34940ec9f

Aliases

arxiv: 1211.4824 · arxiv_version: 1211.4824v1 · doi: 10.48550/arxiv.1211.4824 · pith_short_12: JGV6Q7LDYE24 · pith_short_16: JGV6Q7LDYE24H5CO · pith_short_8: JGV6Q7LD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JGV6Q7LDYE24H5COBM3JZZT4H2 \
  | 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: 49abe87d63c135c3f44e0b369ce67c3e98c8f7899c28f72dd92631e34940ec9f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cc01eb9f03a8b8034445fed5e7d079501fe0181c01c66de4621a30a08aab8da4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-11-20T18:15:33Z",
    "title_canon_sha256": "fac26d78fae797c33601dcc5c3068951144cf8610b74e30bb2e703517d6e67d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4824",
    "kind": "arxiv",
    "version": 1
  }
}