Pith Number

pith:UWSBLAQX

pith:2013:UWSBLAQXJF44JON6FU3IBPEJ27

not attested not anchored not stored refs pending

Topology and purity for torsors

Benjamin Antieau, Ben Williams

arxiv:1311.5273 v2 · 2013-11-21 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWSBLAQXJF44JON6FU3IBPEJ27}

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	2026-05-18T02:17:12.442028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a41582174979c4b9be2d3680bc89d7c1d9c511079772fda1c7d740bbea1c09

Aliases

arxiv: 1311.5273 · arxiv_version: 1311.5273v2 · doi: 10.48550/arxiv.1311.5273 · pith_short_12: UWSBLAQXJF44 · pith_short_16: UWSBLAQXJF44JON6 · pith_short_8: UWSBLAQX

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/UWSBLAQXJF44JON6FU3IBPEJ27 \
  | 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: a5a41582174979c4b9be2d3680bc89d7c1d9c511079772fda1c7d740bbea1c09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d59ac859835c122cd8dc9bdd882dc8a7474395f6eda36091624edf584ed0e9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-21T00:07:03Z",
    "title_canon_sha256": "3fd9bf7ac032a7e975efbbd9f36bfa15bf87e90a5824687c1c46e05f0eba649b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5273",
    "kind": "arxiv",
    "version": 2
  }
}