Pith Number

pith:JCHSOHNM

pith:2015:JCHSOHNM5KMVMLMTGPE5G346JK

not attested not anchored not stored refs pending

On Lawson's area-minimizing hypercones

Yongsheng Zhang

arxiv:1501.04681 v4 · 2015-01-20 · 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{JCHSOHNM5KMVMLMTGPE5G346JK}

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	2026-05-18T00:55:25.830290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

488f271dacea99562d9333c9d36f9e4ab2072ccef86bc052c02075775230d643

Aliases

arxiv: 1501.04681 · arxiv_version: 1501.04681v4 · doi: 10.48550/arxiv.1501.04681 · pith_short_12: JCHSOHNM5KMV · pith_short_16: JCHSOHNM5KMVMLMT · pith_short_8: JCHSOHNM

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/JCHSOHNM5KMVMLMTGPE5G346JK \
  | 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: 488f271dacea99562d9333c9d36f9e4ab2072ccef86bc052c02075775230d643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818a360389b944c444d94e0c2f084ed97cf8d2626431e208fd10426c5326758f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-01-20T00:12:49Z",
    "title_canon_sha256": "7dd8581002d1519541d25185afb41721d2962e9bc4a316271cddc40f449d55b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04681",
    "kind": "arxiv",
    "version": 4
  }
}