Pith Number

pith:TR3QF7Y5

pith:2011:TR3QF7Y5W7G5KNPNG75WY43HNY

not attested not anchored not stored refs pending

Sparsity without the Complexity: Loss Localisation using Tree Measurements

Darryl Veitch, Vijay Arya

arxiv:1108.1377 v2 · 2011-08-05 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TR3QF7Y5W7G5KNPNG75WY43HNY}

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	2026-05-18T02:21:42.424035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c7702ff1db7cdd535ed37fb6c73676e1c00a7420587b75e83e2e990b7b538a3

Aliases

arxiv: 1108.1377 · arxiv_version: 1108.1377v2 · doi: 10.48550/arxiv.1108.1377 · pith_short_12: TR3QF7Y5W7G5 · pith_short_16: TR3QF7Y5W7G5KNPN · pith_short_8: TR3QF7Y5

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/TR3QF7Y5W7G5KNPNG75WY43HNY \
  | 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: 9c7702ff1db7cdd535ed37fb6c73676e1c00a7420587b75e83e2e990b7b538a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8336da692022185df4580db4369b4921ef9b78c2cb46c32cca81e8af594e1703",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2011-08-05T18:10:29Z",
    "title_canon_sha256": "4181bb42c61cc0516811c9ad7f179f019a9001bf6d055018677488f3c286ae40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1377",
    "kind": "arxiv",
    "version": 2
  }
}