Pith Number

pith:NV2SGNUP

pith:2014:NV2SGNUP2WAP4R7YFVZZ726SJT

not attested not anchored not stored refs pending

Bounded Treewidth and Space-Efficient Linear Algebra

Nikhil Balaji, Samir Datta

arxiv:1412.2470 v1 · 2014-12-08 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV2SGNUP2WAP4R7YFVZZ726SJT}

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	2026-05-18T02:31:57.899537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7523368fd580fe47f82d739febd24ccd05c37962e7bcc26d7d4fbfc362c995

Aliases

arxiv: 1412.2470 · arxiv_version: 1412.2470v1 · doi: 10.48550/arxiv.1412.2470 · pith_short_12: NV2SGNUP2WAP · pith_short_16: NV2SGNUP2WAP4R7Y · pith_short_8: NV2SGNUP

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/NV2SGNUP2WAP4R7YFVZZ726SJT \
  | 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: 6d7523368fd580fe47f82d739febd24ccd05c37962e7bcc26d7d4fbfc362c995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56d11de238ee68373ee3ec1cc9cf242565ecebdf139720d67f836b945a14b3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-12-08T07:54:24Z",
    "title_canon_sha256": "9552c6f8d24436ca0ada0dfdc416327273be4a4be09a2a16e5641d62fd2b4fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2470",
    "kind": "arxiv",
    "version": 1
  }
}