Pith Number

pith:7VUA5TL6

pith:2015:7VUA5TL6PVGYJBBGAFGQ6TRMIX

not attested not anchored not stored refs pending

Spectral Partitioning with Blends of Eigenvectors

David A. Bader, Geoffrey D. Sanders, James P. Fairbanks

arxiv:1510.04658 v2 · 2015-10-15 · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VUA5TL6PVGYJBBGAFGQ6TRMIX}

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	2026-05-18T01:21:30.532405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd680ecd7e7d4d848426014d0f4e2c45cbac54c026e93e3e8d62fc475c7ef107

Aliases

arxiv: 1510.04658 · arxiv_version: 1510.04658v2 · doi: 10.48550/arxiv.1510.04658 · pith_short_12: 7VUA5TL6PVGY · pith_short_16: 7VUA5TL6PVGYJBBG · pith_short_8: 7VUA5TL6

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/7VUA5TL6PVGYJBBGAFGQ6TRMIX \
  | 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: fd680ecd7e7d4d848426014d0f4e2c45cbac54c026e93e3e8d62fc475c7ef107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68217460e328ed42fdcd762e0785c10861928e6d2ad22553821415d4dbe56189",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-10-15T18:36:51Z",
    "title_canon_sha256": "ed5c49d08ac1a65558c893781edb603407c02de50616c0ce2fdf36d47137a802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04658",
    "kind": "arxiv",
    "version": 2
  }
}