Pith Number

pith:5PQQBXWD

pith:2017:5PQQBXWDAHYBCFRSHXB7LLTNKK

not attested not anchored not stored refs pending

Singularities of the area preserving curve shortening flow with a Neumann free boundary condition

Elena M\"ader-Baumdicker

arxiv:1701.08948 v2 · 2017-01-31 · math.DG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5PQQBXWDAHYBCFRSHXB7LLTNKK}

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	2026-05-18T00:29:51.866052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe100dec301f01116323dc3f5ae6d52b52a9670c33d054b2f58151c3da8e0e5

Aliases

arxiv: 1701.08948 · arxiv_version: 1701.08948v2 · doi: 10.48550/arxiv.1701.08948 · pith_short_12: 5PQQBXWDAHYB · pith_short_16: 5PQQBXWDAHYBCFRS · pith_short_8: 5PQQBXWD

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/5PQQBXWDAHYBCFRSHXB7LLTNKK \
  | 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: ebe100dec301f01116323dc3f5ae6d52b52a9670c33d054b2f58151c3da8e0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3341976c842f0a4892ae9cfa5d10dae354438821e5a9d95cb0dc8ad36bd502",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-31T08:55:29Z",
    "title_canon_sha256": "bacdd5928e937bc395d8ff170b27d94604a293c24b82fa251fc1182ec66b7f27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08948",
    "kind": "arxiv",
    "version": 2
  }
}