Pith Number

pith:TZZCZFYM

pith:2013:TZZCZFYMLEVNVW745HLXBW4RET

not attested not anchored not stored refs pending

Hirzebruch-Milnor classes and Steenbrink spectra of certain projective hypersurfaces

Joerg Schuermann, Laurentiu Maxim, Morihiko Saito

arxiv:1312.0392 v3 · 2013-12-02 · 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{TZZCZFYMLEVNVW745HLXBW4RET}

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	2026-05-18T01:12:50.208053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e722c970c592adadbfce9d770db9124d0799bfad5786b67e68d147cf780f799

Aliases

arxiv: 1312.0392 · arxiv_version: 1312.0392v3 · doi: 10.48550/arxiv.1312.0392 · pith_short_12: TZZCZFYMLEVN · pith_short_16: TZZCZFYMLEVNVW74 · pith_short_8: TZZCZFYM

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/TZZCZFYMLEVNVW745HLXBW4RET \
  | 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: 9e722c970c592adadbfce9d770db9124d0799bfad5786b67e68d147cf780f799

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67053edf4b644121eee92f2f403dbcc5917bd127a71726655c0484ac5228293d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-12-02T09:57:00Z",
    "title_canon_sha256": "9e3cc48f253ac26729d2df424a1ffb3ec9a3eed9579e3f4db7ab89db0f4c37a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0392",
    "kind": "arxiv",
    "version": 3
  }
}