Pith Number

pith:CJM3FIJ4

pith:2015:CJM3FIJ47PGPTO4GH4YFIVS2YR

not attested not anchored not stored refs pending

Some Remarks on the Circumcenter of Mass

Arseniy Akopyan

arxiv:1512.08655 v2 · 2015-12-29 · 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{CJM3FIJ47PGPTO4GH4YFIVS2YR}

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	2026-05-18T01:23:32.045793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1259b2a13cfbccf9bb863f3054565ac459a0cc739303c9e4c04b0246af3fe05b

Aliases

arxiv: 1512.08655 · arxiv_version: 1512.08655v2 · doi: 10.48550/arxiv.1512.08655 · pith_short_12: CJM3FIJ47PGP · pith_short_16: CJM3FIJ47PGPTO4G · pith_short_8: CJM3FIJ4

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/CJM3FIJ47PGPTO4GH4YFIVS2YR \
  | 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: 1259b2a13cfbccf9bb863f3054565ac459a0cc739303c9e4c04b0246af3fe05b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f340dbf851f98796e2d21a8508b350bdfb26e0def229bf1a5b0946247d42db3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2015-12-29T11:28:17Z",
    "title_canon_sha256": "314c9eeff31675d15c3f0c4ad3bf86d513abb15557b01b21a9411dc6cab1ecac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08655",
    "kind": "arxiv",
    "version": 2
  }
}