Pith Number

pith:FBLJM5DH

pith:2015:FBLJM5DHFT5PCUVTGMH33WVBYP

not attested not anchored not stored refs pending

Solitons of discrete curve shortening

Christine Rademacher, Hans-Bert Rademacher

arxiv:1508.07274 v2 · 2015-08-28 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBLJM5DHFT5PCUVTGMH33WVBYP}

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	2026-05-18T01:12:13.283239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28569674672cfaf152b3330fbddaa1c3ec89a0764f63979298c60257cf6ec311

Aliases

arxiv: 1508.07274 · arxiv_version: 1508.07274v2 · doi: 10.48550/arxiv.1508.07274 · pith_short_12: FBLJM5DHFT5P · pith_short_16: FBLJM5DHFT5PCUVT · pith_short_8: FBLJM5DH

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/FBLJM5DHFT5PCUVTGMH33WVBYP \
  | 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: 28569674672cfaf152b3330fbddaa1c3ec89a0764f63979298c60257cf6ec311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7430141ee2a7c08d11772c294099410b93ffac58ca981c6f1890d6c4aaa118de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-08-28T16:51:37Z",
    "title_canon_sha256": "63282631a6d670a650de653fb147789be80b28ab3cf66855659262acc95f9ca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07274",
    "kind": "arxiv",
    "version": 2
  }
}