Pith Number

pith:WJ6H52K3

pith:2019:WJ6H52K3E4LBQAD5ZHPD667TJV

not attested not anchored not stored refs pending

Blow-up for the 3-dimensional axially symmetric harmonic map flow into S2

Catalina Pesce, Juan Davila, Juncheng Wei, Manuel del Pino

arxiv:1902.03995 v1 · 2019-02-11 · math.AP · 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{WJ6H52K3E4LBQAD5ZHPD667TJV}

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	2026-05-17T23:54:17.417077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b27c7ee95b271618007dc9de3f7bf34d755f979b900f428b3e453cbff3d0efee

Aliases

arxiv: 1902.03995 · arxiv_version: 1902.03995v1 · doi: 10.48550/arxiv.1902.03995 · pith_short_12: WJ6H52K3E4LB · pith_short_16: WJ6H52K3E4LBQAD5 · pith_short_8: WJ6H52K3

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/WJ6H52K3E4LBQAD5ZHPD667TJV \
  | 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: b27c7ee95b271618007dc9de3f7bf34d755f979b900f428b3e453cbff3d0efee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4861dd145fa2d38c88997c0923a4f6cfcd50f377be31e8538ed74ee87ee230ee",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-11T16:53:31Z",
    "title_canon_sha256": "38160066f9d9297573bb6d2731be8c84be522b26eeccce6bbcadbf4afd9ec8f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03995",
    "kind": "arxiv",
    "version": 1
  }
}