Pith Number

pith:FB3IOSIJ

pith:2017:FB3IOSIJ5OUWC2WOLUSDBBEYYL

not attested not anchored not stored refs pending

Amoeba-shaped polyhedral complex of an algebraic hypersurface

Mounir Nisse, Timur Sadykov

arxiv:1708.06870 v1 · 2017-08-23 · 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{FB3IOSIJ5OUWC2WOLUSDBBEYYL}

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	2026-05-18T00:36:48.998863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2876874909eba9616ace5d24308498c2eebda6b2cb39861dafbdf3e66c5a954c

Aliases

arxiv: 1708.06870 · arxiv_version: 1708.06870v1 · doi: 10.48550/arxiv.1708.06870 · pith_short_12: FB3IOSIJ5OUW · pith_short_16: FB3IOSIJ5OUWC2WO · pith_short_8: FB3IOSIJ

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/FB3IOSIJ5OUWC2WOLUSDBBEYYL \
  | 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: 2876874909eba9616ace5d24308498c2eebda6b2cb39861dafbdf3e66c5a954c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4af06440c42f6371e6976333f6a3cd23c6edebc2d12ef08785ced5bca7ec1651",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-23T02:15:07Z",
    "title_canon_sha256": "ae8373944de185da8fe32c8e9e54216c9cb58c6fc80fcd22673abd47144710a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06870",
    "kind": "arxiv",
    "version": 1
  }
}