Pith Number

pith:NST6TTEU

pith:2017:NST6TTEUH3KQHNDFKBPQHKVFKU

not attested not anchored not stored refs pending

Singularity formation for the two-dimensional harmonic map flow into $S^2$

Juan Davila, Juncheng Wei, Manuel del Pino

arxiv:1702.05801 v2 · 2017-02-19 · math.AP · math.DG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NST6TTEUH3KQHNDFKBPQHKVFKU}

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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.

Cited by

1 paper in Pith

Strict type-II blowup in harmonic map flow

Receipt and verification

First computed	2026-05-17T23:40:26.938821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca7e9cc943ed503b465505f03aaa5552425cace141476dfb76f20b96effa631

Aliases

arxiv: 1702.05801 · arxiv_version: 1702.05801v2 · doi: 10.48550/arxiv.1702.05801 · pith_short_12: NST6TTEUH3KQ · pith_short_16: NST6TTEUH3KQHNDF · pith_short_8: NST6TTEU

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/NST6TTEUH3KQHNDFKBPQHKVFKU \
  | 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: 6ca7e9cc943ed503b465505f03aaa5552425cace141476dfb76f20b96effa631

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c696c2ee94fc8e20cef75ddd7e05f6ee6e91b49100199df207a7f13a01aece4",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-02-19T21:54:57Z",
    "title_canon_sha256": "e6eacbcaa9ebb6b52952e87f19032455306b6309cd5303f8d84610e75ee513c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05801",
    "kind": "arxiv",
    "version": 2
  }
}