Pith Number

pith:ZYDOJKYF

pith:2020:ZYDOJKYF4TOSOMA223PRKCM5XH

not attested not anchored not stored refs pending

A systematic approach to reduced GLT

Giovanni Barbarino

arxiv:2010.03492 v2 · 2020-10-07 · 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{ZYDOJKYF4TOSOMA223PRKCM5XH}

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	2026-07-05T03:15:29.151273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce06e4ab05e4dd27301ad6df15099db9c9cab6c17a01fd81f0ce2f712309713a

Aliases

arxiv: 2010.03492 · arxiv_version: 2010.03492v2 · doi: 10.48550/arxiv.2010.03492 · pith_short_12: ZYDOJKYF4TOS · pith_short_16: ZYDOJKYF4TOSOMA2 · pith_short_8: ZYDOJKYF

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/ZYDOJKYF4TOSOMA223PRKCM5XH \
  | 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: ce06e4ab05e4dd27301ad6df15099db9c9cab6c17a01fd81f0ce2f712309713a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c59ba2f47c89b903cf632976e6616d60591c18466d5391aa210b8c87644ae3b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-10-07T15:58:03Z",
    "title_canon_sha256": "a87bbe61d34611a1b72b9a53f17dda52e41aab7886e6d64dd218a3fb5cc28fec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.03492",
    "kind": "arxiv",
    "version": 2
  }
}