Pith Number

pith:U6I3HA34

pith:2013:U6I3HA34NWRP5BQXQBPHLRZN7U

not attested not anchored not stored refs pending

Torelli spaces of high-dimensional manifolds

Johannes Ebert, Oscar Randal-Williams

arxiv:1306.2530 v2 · 2013-06-11 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U6I3HA34NWRP5BQXQBPHLRZN7U}

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	2026-05-18T00:44:29.739458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a791b3837c6da2fe8617805e75c72dfd07a897da764c9c398159a5b6c2782bcd

Aliases

arxiv: 1306.2530 · arxiv_version: 1306.2530v2 · doi: 10.48550/arxiv.1306.2530 · pith_short_12: U6I3HA34NWRP · pith_short_16: U6I3HA34NWRP5BQX · pith_short_8: U6I3HA34

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/U6I3HA34NWRP5BQXQBPHLRZN7U \
  | 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: a791b3837c6da2fe8617805e75c72dfd07a897da764c9c398159a5b6c2782bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23be4b76e684000a64877f559292d3b660fd81fbe7bca916d790d195d9215caa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-06-11T14:07:47Z",
    "title_canon_sha256": "76652956543b3b2ef8f13de8b046e8e9825fe20bc21a2319c451f12404a74c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2530",
    "kind": "arxiv",
    "version": 2
  }
}