Pith Number

pith:UBXYLC6U

pith:2011:UBXYLC6UPGFOXTSNHYZRFIZ2F7

not attested not anchored not stored refs pending

Eigenvector Synchronization, Graph Rigidity and the Molecule Problem

Amit Singer, David Cowburn, Mihai Cucuringu

arxiv:1111.3304 v3 · 2011-11-09 · cs.CE · cs.DS · math.CO · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBXYLC6UPGFOXTSNHYZRFIZ2F7}

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	2026-05-18T00:28:08.014737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a06f858bd4798aebce4d3e3312a33a2fe102f29b898b930ac5537c03ab8da6c2

Aliases

arxiv: 1111.3304 · arxiv_version: 1111.3304v3 · doi: 10.48550/arxiv.1111.3304 · pith_short_12: UBXYLC6UPGFO · pith_short_16: UBXYLC6UPGFOXTSN · pith_short_8: UBXYLC6U

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/UBXYLC6UPGFOXTSNHYZRFIZ2F7 \
  | 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: a06f858bd4798aebce4d3e3312a33a2fe102f29b898b930ac5537c03ab8da6c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30ad9cff68ac7aa4b7e69ff30f86d25e083193f8bd83dfcaa7be81287e6e57a5",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2011-11-09T17:38:16Z",
    "title_canon_sha256": "ffc63ca16c58c20516770c8b10e96625de51232607751f7d5ca6e91d0f3009b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3304",
    "kind": "arxiv",
    "version": 3
  }
}