Pith Number

pith:3VQMYPZT

pith:2014:3VQMYPZT7TGTSTRZVIBXZIIX2O

not attested not anchored not stored refs pending

Coordinate shadows of semi-definite and Euclidean distance matrices

D. Drusvyatskiy, G. Pataki, H. Wolkowicz

arxiv:1405.2037 v2 · 2014-05-08 · 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{3VQMYPZT7TGTSTRZVIBXZIIX2O}

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	2026-05-18T02:29:45.510745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd60cc3f33fccd394e39aa037ca117d38d42c3778605e2d547971d9b76aadf93

Aliases

arxiv: 1405.2037 · arxiv_version: 1405.2037v2 · doi: 10.48550/arxiv.1405.2037 · pith_short_12: 3VQMYPZT7TGT · pith_short_16: 3VQMYPZT7TGTSTRZ · pith_short_8: 3VQMYPZT

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/3VQMYPZT7TGTSTRZVIBXZIIX2O \
  | 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: dd60cc3f33fccd394e39aa037ca117d38d42c3778605e2d547971d9b76aadf93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d1e6262571a208dcf0b0f8dafd8aaf8ce6a0f74685e2d23bad3dc8447399993",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-05-08T18:35:04Z",
    "title_canon_sha256": "cf5b1cff13a9f2be587060aaf6918d0437b4f279175a050b7a9bd61c6ce869c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2037",
    "kind": "arxiv",
    "version": 2
  }
}