Pith Number

pith:TFAMPZP7

pith:2014:TFAMPZP7BP6YULERDVV63BU4SM

not attested not anchored not stored refs pending

Recent work on Beauville surfaces, structures and groups

Ben Fairbairn

arxiv:1405.7547 v1 · 2014-05-29 · math.GR · math.AG

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:50:50.994968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9940c7e5ff0bfd8a2c911d6bed869c931791862fae13ef54f846fd66d3c607e6

Aliases

arxiv: 1405.7547 · arxiv_version: 1405.7547v1 · doi: 10.48550/arxiv.1405.7547

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/TFAMPZP7BP6YULERDVV63BU4SM \
  | 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: 9940c7e5ff0bfd8a2c911d6bed869c931791862fae13ef54f846fd66d3c607e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025b0fdc5e222b1988370b842ee4e4053860ea81bfb5aa671879a15764aba6bf",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-05-29T13:16:36Z",
    "title_canon_sha256": "0edb00e78f45aa6b616c62a96f999cdd85e43d88e215f060cd575c43b96b0db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7547",
    "kind": "arxiv",
    "version": 1
  }
}