Pith Number

pith:4JL2TUG5

pith:2013:4JL2TUG5C6OMHAQ3VUBONKXNCV

not attested not anchored not stored refs pending

On affine motions and universal rigidity of tensegrity frameworks

A. Y. Alfakih, Viet-Hang Nguyen

arxiv:1305.5955 v1 · 2013-05-25 · 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{4JL2TUG5C6OMHAQ3VUBONKXNCV}

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	2026-05-18T03:24:53.244388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e257a9d0dd179cc3821bad02e6aaed156bb5bb0abf1c765f2a3c11b604da03a2

Aliases

arxiv: 1305.5955 · arxiv_version: 1305.5955v1 · doi: 10.48550/arxiv.1305.5955 · pith_short_12: 4JL2TUG5C6OM · pith_short_16: 4JL2TUG5C6OMHAQ3 · pith_short_8: 4JL2TUG5

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/4JL2TUG5C6OMHAQ3VUBONKXNCV \
  | 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: e257a9d0dd179cc3821bad02e6aaed156bb5bb0abf1c765f2a3c11b604da03a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "756ce00a5ba82d86d4519177bcbed2260350f82938f3a0378ce9f1a6823121a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-05-25T18:40:28Z",
    "title_canon_sha256": "4368926268d5535bde9bd624a7eef65a736c936469a807a946a88b6e71704945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5955",
    "kind": "arxiv",
    "version": 1
  }
}