Pith Number

pith:PJDAPL5N

pith:2013:PJDAPL5ND3QMKEGAYLXHQKJUNZ

not attested not anchored not stored refs pending

Orthogonal Invariance and Identifiability

Adrian S. Lewis, Aris Daniilidis, Dmitriy Drusvyatskiy

arxiv:1304.1198 v2 · 2013-04-03 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJDAPL5ND3QMKEGAYLXHQKJUNZ}

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	2026-05-18T03:28:16.901339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a4607afad1ee0c510c0c2ee7829346e49b56a1a69518867cf05febb4898f63b

Aliases

arxiv: 1304.1198 · arxiv_version: 1304.1198v2 · doi: 10.48550/arxiv.1304.1198 · pith_short_12: PJDAPL5ND3QM · pith_short_16: PJDAPL5ND3QMKEGA · pith_short_8: PJDAPL5N

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/PJDAPL5ND3QMKEGAYLXHQKJUNZ \
  | 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: 7a4607afad1ee0c510c0c2ee7829346e49b56a1a69518867cf05febb4898f63b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a1e68a9f0e778918bb569e1111fba5f37ae7c812f695ea4f5af62e9d10338f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-04-03T21:59:17Z",
    "title_canon_sha256": "ac3b7cc22312de17bc236094f5546f4fe233074e2fc550cc4a9d6f38397bfbf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1198",
    "kind": "arxiv",
    "version": 2
  }
}