Pith Number

pith:EWIV4Z62

pith:2019:EWIV4Z62DWLV4MBIT7N7IFZRLA

not attested not anchored not stored refs pending

Are your Items in Order?

Nikolaj Tatti

arxiv:1902.02921 v1 · 2019-02-08 · cs.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{EWIV4Z62DWLV4MBIT7N7IFZRLA}

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	2026-05-17T23:54:28.836408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25915e67da1d975e30289fdbf41731580a97a43d61784753eb45a0abe1e3bd97

Aliases

arxiv: 1902.02921 · arxiv_version: 1902.02921v1 · doi: 10.48550/arxiv.1902.02921 · pith_short_12: EWIV4Z62DWLV · pith_short_16: EWIV4Z62DWLV4MBI · pith_short_8: EWIV4Z62

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/EWIV4Z62DWLV4MBIT7N7IFZRLA \
  | 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: 25915e67da1d975e30289fdbf41731580a97a43d61784753eb45a0abe1e3bd97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad1c0a87428a065991ae0db114c294551a66a3712fd7ba672c2dc38fc7e5f203",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-08T02:59:15Z",
    "title_canon_sha256": "22d0773172028dff3071406d785457d82c8df0ca8421c288f64b4ffba21d2bf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02921",
    "kind": "arxiv",
    "version": 1
  }
}