Pith Number

pith:R3CWBJDA

pith:2018:R3CWBJDANKFE3ESUTX3S3QVMTL

not attested not anchored not stored refs pending

A note on singularities in finite time for the constrained Willmore flow

Simon Blatt

arxiv:1807.02025 v1 · 2018-07-05 · 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{R3CWBJDANKFE3ESUTX3S3QVMTL}

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	2026-05-18T00:11:24.421712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ec560a4606a8a4d92549df72dc2ac9af8a4d907bba7ef4f7f61948e2cc1ed4b

Aliases

arxiv: 1807.02025 · arxiv_version: 1807.02025v1 · doi: 10.48550/arxiv.1807.02025 · pith_short_12: R3CWBJDANKFE · pith_short_16: R3CWBJDANKFE3ESU · pith_short_8: R3CWBJDA

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/R3CWBJDANKFE3ESUTX3S3QVMTL \
  | 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: 8ec560a4606a8a4d92549df72dc2ac9af8a4d907bba7ef4f7f61948e2cc1ed4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb3bf44e1dc1009a68bcbf7c365f9530903ed8b5ce7f5f20c67768aa2895f00e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-07-05T14:37:58Z",
    "title_canon_sha256": "b9210a0fb748a898f79fc02bbb899c1bd5cc146bf6a868f3ad4774d25dfdc67a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02025",
    "kind": "arxiv",
    "version": 1
  }
}