Pith Number

pith:26L7KM2D

pith:2017:26L7KM2DO2H3ZHL57RYCT4VRQN

not attested not anchored not stored refs pending

Prescribing sign-changing mean curvature candidates on the n+1-dimensional unit ball

Hong Zhang

arxiv:1710.09714 v1 · 2017-10-25 · 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{26L7KM2DO2H3ZHL57RYCT4VRQN}

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	2026-05-18T00:31:56.592459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d797f53343768fbc9d7dfc7029f2b1837e0b6e1f67bd8a98240e50e6fbaf198d

Aliases

arxiv: 1710.09714 · arxiv_version: 1710.09714v1 · doi: 10.48550/arxiv.1710.09714 · pith_short_12: 26L7KM2DO2H3 · pith_short_16: 26L7KM2DO2H3ZHL5 · pith_short_8: 26L7KM2D

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/26L7KM2DO2H3ZHL57RYCT4VRQN \
  | 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: d797f53343768fbc9d7dfc7029f2b1837e0b6e1f67bd8a98240e50e6fbaf198d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1eb5f77dacb121bbb641496acf5d3ef6e008c16adaa596ca31b79b8370801df",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-10-25T08:01:33Z",
    "title_canon_sha256": "070d956a7981d533226bcb70bdedcbb955d416d7deb5ec8942f7a19398aa4266"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09714",
    "kind": "arxiv",
    "version": 1
  }
}