Pith Number

pith:SVBRPOW6

pith:2019:SVBRPOW6HXFCBPPLYBTI7VFTYW

not attested not anchored not stored refs pending

Representations of braid groups and construction of projective surfaces

Francesco Polizzi

arxiv:1905.03483 v1 · 2019-05-09 · math.AG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVBRPOW6HXFCBPPLYBTI7VFTYW}

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	2026-05-17T23:46:39.742407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

954317bade3dca20bdebc0668fd4b3c5b4c51ac8308559079deb007fb2976979

Aliases

arxiv: 1905.03483 · arxiv_version: 1905.03483v1 · doi: 10.48550/arxiv.1905.03483 · pith_short_12: SVBRPOW6HXFC · pith_short_16: SVBRPOW6HXFCBPPL · pith_short_8: SVBRPOW6

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/SVBRPOW6HXFCBPPLYBTI7VFTYW \
  | 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: 954317bade3dca20bdebc0668fd4b3c5b4c51ac8308559079deb007fb2976979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9a728543fa77e779284a2f9a09602ec44c863ceeac816e978d7c7c0c19ab7c4",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-05-09T08:22:38Z",
    "title_canon_sha256": "6a2583d5169646c9a1ef1ea7e47ce212e705472f90261d8a38318180f7fab5da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03483",
    "kind": "arxiv",
    "version": 1
  }
}