Pith Number

pith:JTJDWD3C

pith:2012:JTJDWD3CI4E2UICHADLELZDQQZ

not attested not anchored not stored refs pending

Iterative Reconstruction of Rank-One Matrices in Noise

Alyson K. Fletcher, Sundeep Rangan

arxiv:1202.2759 v4 · 2012-02-13 · 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{JTJDWD3CI4E2UICHADLELZDQQZ}

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	2026-05-18T01:33:07.146417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cd23b0f624709aa204700d645e470867a2e2b4f9203ddd83d23b1080c6d320f

Aliases

arxiv: 1202.2759 · arxiv_version: 1202.2759v4 · doi: 10.48550/arxiv.1202.2759 · pith_short_12: JTJDWD3CI4E2 · pith_short_16: JTJDWD3CI4E2UICH · pith_short_8: JTJDWD3C

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/JTJDWD3CI4E2UICHADLELZDQQZ \
  | 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: 4cd23b0f624709aa204700d645e470867a2e2b4f9203ddd83d23b1080c6d320f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8593b08b3973774faca782bb56872a0038c20dde8be19fa1b692288501f621e3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-13T15:18:02Z",
    "title_canon_sha256": "18262ea4b05d700b60ec96384d49137a4fc81100da56a3d52d120bd1c79212a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2759",
    "kind": "arxiv",
    "version": 4
  }
}