Pith Number

pith:QVDAX2ML

pith:2013:QVDAX2MLUB5EDEVOQR6RMIAPGH

not attested not anchored not stored refs pending

Reconstruction Guarantee Analysis of Binary Measurement Matrices Based on Girth

Shu-Tao Xia, Xin-Ji Liu

arxiv:1301.4926 v2 · 2013-01-21 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVDAX2MLUB5EDEVOQR6RMIAPGH}

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	2026-05-18T03:12:34.994354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85460be98ba07a4192ae847d16200f31e3538baf90c8e825859908481d18c3f7

Aliases

arxiv: 1301.4926 · arxiv_version: 1301.4926v2 · doi: 10.48550/arxiv.1301.4926 · pith_short_12: QVDAX2MLUB5E · pith_short_16: QVDAX2MLUB5EDEVO · pith_short_8: QVDAX2ML

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/QVDAX2MLUB5EDEVOQR6RMIAPGH \
  | 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: 85460be98ba07a4192ae847d16200f31e3538baf90c8e825859908481d18c3f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6ba818d554773f828f3b6f6a363a867ff428d00bde3c9013dc161be655418f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-01-21T16:55:06Z",
    "title_canon_sha256": "ecbbda036cf64c5191bf5e4b7f4962b6e81d2f6e32f497a7a5ceac7e0a22528b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4926",
    "kind": "arxiv",
    "version": 2
  }
}