Pith Number

pith:TBGMDGF4

pith:2018:TBGMDGF4LY2NROUPA7W3UJKTKZ

not attested not anchored not stored refs pending

Paramotopy: Parameter homotopies in parallel

Daniel J. Bates, Danielle Brake, Matthew Niemerg

arxiv:1804.04183 v1 · 2018-04-11 · 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{TBGMDGF4LY2NROUPA7W3UJKTKZ}

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	2026-05-18T00:18:40.544708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

984cc198bc5e34d8ba8f07edba2553564f8654a6421c3c87d9c85a69d0d90032

Aliases

arxiv: 1804.04183 · arxiv_version: 1804.04183v1 · doi: 10.48550/arxiv.1804.04183 · pith_short_12: TBGMDGF4LY2N · pith_short_16: TBGMDGF4LY2NROUP · pith_short_8: TBGMDGF4

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/TBGMDGF4LY2NROUPA7W3UJKTKZ \
  | 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: 984cc198bc5e34d8ba8f07edba2553564f8654a6421c3c87d9c85a69d0d90032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf8f7465842722ad7f34d0776d5a0f61fe0cba0765e26499cef39d2fedecaf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-11T19:41:40Z",
    "title_canon_sha256": "010aff99537aed8777426594f0156c1169688e96b11eb82a1bb2fbf13ab15bcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04183",
    "kind": "arxiv",
    "version": 1
  }
}