Pith Number

pith:Q4H35IOA

pith:2018:Q4H35IOACPOWURXAIJ2LUI4AII

not attested not anchored not stored refs pending

$C^{1,\alpha}$ Isometric Embeddings of Polar Caps

Camillo De Lellis, Dominik Inauen

arxiv:1809.04161 v2 · 2018-09-11 · 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{Q4H35IOACPOWURXAIJ2LUI4AII}

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	2026-05-17T23:54:02.596479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

870fbea1c013dd6a46e04274ba238042087fe64ca61a4d09b552730550fb57f4

Aliases

arxiv: 1809.04161 · arxiv_version: 1809.04161v2 · doi: 10.48550/arxiv.1809.04161 · pith_short_12: Q4H35IOACPOW · pith_short_16: Q4H35IOACPOWURXA · pith_short_8: Q4H35IOA

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/Q4H35IOACPOWURXAIJ2LUI4AII \
  | 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: 870fbea1c013dd6a46e04274ba238042087fe64ca61a4d09b552730550fb57f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33fa1301625bc62aaddfd2c2aff97f88f8a6a3c436eb2c8aa2244d13edb71263",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-11T21:02:29Z",
    "title_canon_sha256": "ec22e9d6035e518ae3da43347aa0f08e0df2af86f046c61f583ec63db57936b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04161",
    "kind": "arxiv",
    "version": 2
  }
}