Pith Number

pith:JFWA2GD7

pith:2012:JFWA2GD72UJQSMKZPH5GKGVTE2

not attested not anchored not stored refs pending

Doubly periodic self-translating surfaces for the mean curvature flow

Xuan Hien Nguyen

arxiv:1204.4921 v4 · 2012-04-22 · 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{JFWA2GD72UJQSMKZPH5GKGVTE2}

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	2026-05-18T02:48:26.229306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

496c0d187fd51309315979fa651ab326a4203b20e25d1be2353fd004551a4b54

Aliases

arxiv: 1204.4921 · arxiv_version: 1204.4921v4 · doi: 10.48550/arxiv.1204.4921 · pith_short_12: JFWA2GD72UJQ · pith_short_16: JFWA2GD72UJQSMKZ · pith_short_8: JFWA2GD7

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/JFWA2GD72UJQSMKZPH5GKGVTE2 \
  | 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: 496c0d187fd51309315979fa651ab326a4203b20e25d1be2353fd004551a4b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff2c631f8512486a929280508ed43bc499df6a3bfc165759794a194b09a0616",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-04-22T18:25:27Z",
    "title_canon_sha256": "1362fbb73ffc4842d10322b15bc49b039c07282654ca07a278f63caadb04fdb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4921",
    "kind": "arxiv",
    "version": 4
  }
}