Pith Number

pith:OXREFH2O

pith:2012:OXREFH2OIJQZURFHGM64HFKFPZ

not attested not anchored not stored refs pending

Uniformity of harmonic map heat flow at infinite time

Longzhi Lin

arxiv:1202.5756 v1 · 2012-02-26 · 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{OXREFH2OIJQZURFHGM64HFKFPZ}

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	2026-05-18T00:13:14.144557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75e2429f4e42619a44a7333dc395457e61cd247c4ec34a8d69abf65b9d8987f7

Aliases

arxiv: 1202.5756 · arxiv_version: 1202.5756v1 · doi: 10.48550/arxiv.1202.5756 · pith_short_12: OXREFH2OIJQZ · pith_short_16: OXREFH2OIJQZURFH · pith_short_8: OXREFH2O

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/OXREFH2OIJQZURFHGM64HFKFPZ \
  | 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: 75e2429f4e42619a44a7333dc395457e61cd247c4ec34a8d69abf65b9d8987f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3932c5d48dfe1f2d12f5d3915f82cf874347fb33e81a44d5d97e88fd5b3ae9be",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-02-26T13:38:14Z",
    "title_canon_sha256": "9d6b39168e7b1a3cd1ee444ed7c89032f8bfc1b3d9470f63a55e0db96c311159"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5756",
    "kind": "arxiv",
    "version": 1
  }
}