Pith Number

pith:TUTV2BZY

pith:2015:TUTV2BZYINCB4FEV4BN7VM6SRY

not attested not anchored not stored refs pending

Distributed Estimation of Graph Spectrum

Choon Yik Tang, Mu Yang

arxiv:1503.08192 v1 · 2015-03-27 · cs.SY · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUTV2BZYINCB4FEV4BN7VM6SRY}

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	2026-05-18T02:20:11.386105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d275d073843441e1495e05bfab3d28e0bd18107d7f41a3c0e556b033bf533a9

Aliases

arxiv: 1503.08192 · arxiv_version: 1503.08192v1 · doi: 10.48550/arxiv.1503.08192 · pith_short_12: TUTV2BZYINCB · pith_short_16: TUTV2BZYINCB4FEV · pith_short_8: TUTV2BZY

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/TUTV2BZYINCB4FEV4BN7VM6SRY \
  | 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: 9d275d073843441e1495e05bfab3d28e0bd18107d7f41a3c0e556b033bf533a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebb826c209c2c873f6bead7fa537d6636ddce407a49e01dc1575fcc7a738f244",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-03-27T19:30:26Z",
    "title_canon_sha256": "2f9d58cda8160c6ad8f4b8eb2b80299a64b922ebf4a72303bc0425f2e503d88d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08192",
    "kind": "arxiv",
    "version": 1
  }
}