Pith Number

pith:OAOXSPZJ

pith:2021:OAOXSPZJDUEIOGGPJYTFGCWRHX

not attested not anchored not stored refs pending

Twisted Milnor Hypersurface I

Fei Han, Hao Li, Jingfang Lian, Zhi L\"u

arxiv:2103.10208 v1 · 2021-03-18 · 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{OAOXSPZJDUEIOGGPJYTFGCWRHX}

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	2026-07-05T02:24:17.793323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

701d793f291d088718cf4e26530ad13df6feda30c705e5c580a0f679963d11ce

Aliases

arxiv: 2103.10208 · arxiv_version: 2103.10208v1 · doi: 10.48550/arxiv.2103.10208 · pith_short_12: OAOXSPZJDUEI · pith_short_16: OAOXSPZJDUEIOGGP · pith_short_8: OAOXSPZJ

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/OAOXSPZJDUEIOGGPJYTFGCWRHX \
  | 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: 701d793f291d088718cf4e26530ad13df6feda30c705e5c580a0f679963d11ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d757426cdf7af871403d8f99734a89603ef76906c31d46b78813031bd09126f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2021-03-18T12:20:32Z",
    "title_canon_sha256": "fbe1c1792759205c29e0c83dbd607e25911848aefdf72129a7b0d5912201e339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10208",
    "kind": "arxiv",
    "version": 1
  }
}