Pith Number

pith:A2FUJA7T

pith:2013:A2FUJA7TGR5IKHOJZWDG2DI5VU

not attested not anchored not stored refs pending

A Randomized Proper Orthogonal Decomposition Technique

Dan Yu, Suman Chakravorty

arxiv:1312.3976 v1 · 2013-12-13 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A2FUJA7TGR5IKHOJZWDG2DI5VU}

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	2026-05-18T03:04:36.395119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

068b4483f3347a851dc9cd866d0d1dad3f58163ed923ebd5c68ea7a8b91358b7

Aliases

arxiv: 1312.3976 · arxiv_version: 1312.3976v1 · doi: 10.48550/arxiv.1312.3976 · pith_short_12: A2FUJA7TGR5I · pith_short_16: A2FUJA7TGR5IKHOJ · pith_short_8: A2FUJA7T

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/A2FUJA7TGR5IKHOJZWDG2DI5VU \
  | 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: 068b4483f3347a851dc9cd866d0d1dad3f58163ed923ebd5c68ea7a8b91358b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b16d627ed6f67d7ab0d037aed7294a3cea50f398c3318faea78c4fb0d0ac987e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-12-13T22:52:25Z",
    "title_canon_sha256": "49caf1d87d005c49443b3978ca328aef879583715853bc90e0cb38bd04d8cba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3976",
    "kind": "arxiv",
    "version": 1
  }
}