Pith Number

pith:2TMMKSN6

pith:2017:2TMMKSN6LOZGWYRXMB5QTTK75G

not attested not anchored not stored refs pending

Doubling chains on complements of algebraic hypersurfaces

Omer Friedland, Yosef Yomdin

arxiv:1708.00831 v1 · 2017-08-02 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TMMKSN6LOZGWYRXMB5QTTK75G}

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	2026-05-18T00:38:44.537183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d8c549be5bb26b6237607b09cd5fe9a54b307960d3aec99c0ce77a306117ed

Aliases

arxiv: 1708.00831 · arxiv_version: 1708.00831v1 · doi: 10.48550/arxiv.1708.00831 · pith_short_12: 2TMMKSN6LOZG · pith_short_16: 2TMMKSN6LOZGWYRX · pith_short_8: 2TMMKSN6

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/2TMMKSN6LOZGWYRXMB5QTTK75G \
  | 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: d4d8c549be5bb26b6237607b09cd5fe9a54b307960d3aec99c0ce77a306117ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13e6ee175bde1e95bb317e98cb2ede84d1d60841ffeaec640589fdaef4f6a509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-08-02T17:14:18Z",
    "title_canon_sha256": "90d15b1b8ad33464eabdf2a5fbc72b1be698c67f37cf0885675f428db21feed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00831",
    "kind": "arxiv",
    "version": 1
  }
}