Pith Number

pith:KC5FGCFI

pith:2018:KC5FGCFI6E6GU62TZPTL4XQPHS

not attested not anchored not stored refs pending

A note on incremental POD algorithms for continuous time data

Hiba Fareed, John R. Singler

arxiv:1807.00045 v1 · 2018-06-29 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KC5FGCFI6E6GU62TZPTL4XQPHS}

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	2026-06-04T19:12:04.966590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ba5308a8f13c6a7b53cbe6be5e0f3c9d7973ca2c35dfa68c4efea7846359a2

Aliases

arxiv: 1807.00045 · arxiv_version: 1807.00045v1 · doi: 10.48550/arxiv.1807.00045 · pith_short_12: KC5FGCFI6E6G · pith_short_16: KC5FGCFI6E6GU62T · pith_short_8: KC5FGCFI

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/KC5FGCFI6E6GU62TZPTL4XQPHS \
  | 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: 50ba5308a8f13c6a7b53cbe6be5e0f3c9d7973ca2c35dfa68c4efea7846359a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d759448497bbe97a7d39aceda199a746f2327138bf9a965b74edfd124af0387d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-29T19:44:07Z",
    "title_canon_sha256": "a789cc8fb090c829a102596f13c1d025d16422344a41d0f4fc7572517c3d2a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00045",
    "kind": "arxiv",
    "version": 1
  }
}