Pith Number

pith:F4SYZO7O

pith:2017:F4SYZO7OG7OCXJFGOB5JTM7NBT

not attested not anchored not stored refs pending

Self-Expanders to Inverse Curvature Flows by Homogeneous Functions

Frederick Tsz-Ho Fong, Ka-Wing Chow, Tsz-Kiu Aaron Chow

arxiv:1701.03995 v2 · 2017-01-15 · 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{F4SYZO7OG7OCXJFGOB5JTM7NBT}

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	2026-05-18T00:13:07.844312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f258cbbee37dc2ba4a6707a99b3ed0ce75e875ea51169b1cc5f729cb01c3ac0

Aliases

arxiv: 1701.03995 · arxiv_version: 1701.03995v2 · doi: 10.48550/arxiv.1701.03995 · pith_short_12: F4SYZO7OG7OC · pith_short_16: F4SYZO7OG7OCXJFG · pith_short_8: F4SYZO7O

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/F4SYZO7OG7OCXJFGOB5JTM7NBT \
  | 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: 2f258cbbee37dc2ba4a6707a99b3ed0ce75e875ea51169b1cc5f729cb01c3ac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20b02aca7947c4fd2e5760a3ce240df807a9667753cb85c64b6f8e78ba822902",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-15T05:44:08Z",
    "title_canon_sha256": "6ed2325d3b69c1d343c7053e36c65f3d3a74af72f2ef926e5da5c2d61a5f5821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03995",
    "kind": "arxiv",
    "version": 2
  }
}