Pith Number

pith:J3RA5S2I

pith:2010:J3RA5S2IUPLYHTOQJ7HBRLJJYB

not attested not anchored not stored refs pending

Online Identification and Tracking of Subspaces from Highly Incomplete Information

Benjamin Recht, Laura Balzano, Robert Nowak

arxiv:1006.4046 v2 · 2010-06-21 · cs.IT · cs.SY · math.IT · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J3RA5S2IUPLYHTOQJ7HBRLJJYB}

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.

Cited by

1 paper in Pith

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Receipt and verification

First computed	2026-05-18T04:18:23.510615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ee20ecb48a3d783cdd04fce18ad29c06103ee9252e5aeee3d0865658bafdcde

Aliases

arxiv: 1006.4046 · arxiv_version: 1006.4046v2 · doi: 10.48550/arxiv.1006.4046 · pith_short_12: J3RA5S2IUPLY · pith_short_16: J3RA5S2IUPLYHTOQ · pith_short_8: J3RA5S2I

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/J3RA5S2IUPLYHTOQJ7HBRLJJYB \
  | 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: 4ee20ecb48a3d783cdd04fce18ad29c06103ee9252e5aeee3d0865658bafdcde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d229126aa9821a46176241bdc5f4a740aa7242854c896c2ab1505372154243",
    "cross_cats_sorted": [
      "cs.SY",
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-06-21T12:12:27Z",
    "title_canon_sha256": "f2b11fccca8bd68885174c034cbf681d898dfb5bc51b236781dc162125d731d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.4046",
    "kind": "arxiv",
    "version": 2
  }
}