pith. sign in
Pith Number

pith:OXQUTRZL

pith:2010:OXQUTRZLBZDJIXTFLJBMT344KK
not attested not anchored not stored refs pending

Conductance and Eigenvalue

Girish Varma

arxiv:1009.1756 v1 · 2010-09-09 · cs.DM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OXQUTRZLBZDJIXTFLJBMT344KK}

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 2026-05-18T04:41:06.341211Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

75e149c72b0e46945e655a42c9ef9c5294f2a729019ab8342a92b918f6b74ddd

Aliases

arxiv: 1009.1756 · arxiv_version: 1009.1756v1 · doi: 10.48550/arxiv.1009.1756 · pith_short_12: OXQUTRZLBZDJ · pith_short_16: OXQUTRZLBZDJIXTF · pith_short_8: OXQUTRZL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OXQUTRZLBZDJIXTFLJBMT344KK \
  | 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: 75e149c72b0e46945e655a42c9ef9c5294f2a729019ab8342a92b918f6b74ddd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "33017bfa4440c076863d574a6c919b41762606fac08208be53d2d10517cf12f2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2010-09-09T12:39:41Z",
    "title_canon_sha256": "7bda3658b9d342bc67d75f0dcb339e11b17d10c5caf61459a9c2d06fc2ba7a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1756",
    "kind": "arxiv",
    "version": 1
  }
}