Pith Number

pith:TI7WFQXD

pith:2015:TI7WFQXDPZUFFQ6D4NGH66JZ4Y

not attested not anchored not stored refs pending

On higher Gauss maps

Giovanna Ilardi, Pietro De Poi

arxiv:1504.02739 v1 · 2015-04-10 · math.AG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TI7WFQXDPZUFFQ6D4NGH66JZ4Y}

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	2026-05-18T02:19:06.748557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a3f62c2e37e6852c3c3e34c7f7939e6140b335f7f828ec9c98b750787a07d4e

Aliases

arxiv: 1504.02739 · arxiv_version: 1504.02739v1 · doi: 10.48550/arxiv.1504.02739 · pith_short_12: TI7WFQXDPZUF · pith_short_16: TI7WFQXDPZUFFQ6D · pith_short_8: TI7WFQXD

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/TI7WFQXDPZUFFQ6D4NGH66JZ4Y \
  | 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: 9a3f62c2e37e6852c3c3e34c7f7939e6140b335f7f828ec9c98b750787a07d4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "206430d7e114828c7161e789f74b13b52068bafd28dff0987e73d196c38a2672",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-10T17:17:32Z",
    "title_canon_sha256": "67570df8969d27f3c7ba3181e526bb24a592399ee3de99e4d90a20a9f317810d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02739",
    "kind": "arxiv",
    "version": 1
  }
}