Pith Number

pith:COBTO56M

pith:2010:COBTO56MYHFUSSUDMATZDLNZGP

not attested not anchored not stored refs pending

On affine motions and bar frameworks in general position

A. Y. Alfakih, Yinyu Ye

arxiv:1009.3318 v1 · 2010-09-17 · 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{COBTO56MYHFUSSUDMATZDLNZGP}

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	2026-05-18T04:40:45.964794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13833777ccc1cb494a83602791adb933fe97f863363311d25c53114108a26b33

Aliases

arxiv: 1009.3318 · arxiv_version: 1009.3318v1 · doi: 10.48550/arxiv.1009.3318 · pith_short_12: COBTO56MYHFU · pith_short_16: COBTO56MYHFUSSUD · pith_short_8: COBTO56M

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/COBTO56MYHFUSSUDMATZDLNZGP \
  | 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: 13833777ccc1cb494a83602791adb933fe97f863363311d25c53114108a26b33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e98ccf356e9e7ae4e2eecb193c9759c033f5a8c0d2af5eedb721e1d0d5b09f20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2010-09-17T02:33:47Z",
    "title_canon_sha256": "40b6911157441694cc76b602d988e094313d0e9a105bb581b2a3851122a7bfc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3318",
    "kind": "arxiv",
    "version": 1
  }
}