Pith Number

pith:JNZDPSXX

pith:2014:JNZDPSXXRGI6VDMAOIMENVQJ7V

not attested not anchored not stored refs pending

Remarks on the the circumcenter of mass

E. Tsukerman, S. Tabachnikov

arxiv:1410.5115 v1 · 2014-10-19 · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNZDPSXXRGI6VDMAOIMENVQJ7V}

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	2026-05-18T02:39:46.872257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7237caf78991ea8d80721846d609fd6d5bad635e3710e4d7c37b0ca6403651

Aliases

arxiv: 1410.5115 · arxiv_version: 1410.5115v1 · doi: 10.48550/arxiv.1410.5115 · pith_short_12: JNZDPSXXRGI6 · pith_short_16: JNZDPSXXRGI6VDMA · pith_short_8: JNZDPSXX

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/JNZDPSXXRGI6VDMAOIMENVQJ7V \
  | 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: 4b7237caf78991ea8d80721846d609fd6d5bad635e3710e4d7c37b0ca6403651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79085710749e3e5c6c84866ef0f23047d52c8088d511848b13c837ba8a3833e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2014-10-19T21:30:25Z",
    "title_canon_sha256": "f6557a39fe99bda79708573d368d67d42026f5ac641e6f18c46ee8df398a14eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5115",
    "kind": "arxiv",
    "version": 1
  }
}