Pith Number

pith:MX5E5YVR

pith:2018:MX5E5YVRHC2CO2FOUYFHQHYT4R

not attested not anchored not stored refs pending

Corner cases, singularities, and dynamic factoring

Alexander Vladimirsky, Dongping Qi

arxiv:1801.04322 v2 · 2018-01-12 · math.NA · 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{MX5E5YVRHC2CO2FOUYFHQHYT4R}

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	2026-05-17T23:57:54.223290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65fa4ee2b138b42768aea60a781f13e44587060f8138ec3175f13de4a8b958bf

Aliases

arxiv: 1801.04322 · arxiv_version: 1801.04322v2 · doi: 10.48550/arxiv.1801.04322 · pith_short_12: MX5E5YVRHC2C · pith_short_16: MX5E5YVRHC2CO2FO · pith_short_8: MX5E5YVR

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/MX5E5YVRHC2CO2FOUYFHQHYT4R \
  | 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: 65fa4ee2b138b42768aea60a781f13e44587060f8138ec3175f13de4a8b958bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee8e0b747a0dedf3ab5fde726065b0b1ce3ccea1881c393b05e912fb0392cbf8",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-12T21:37:04Z",
    "title_canon_sha256": "5773a47dff1d7fe7aa1544af0ef8b49f546f61f3d73c615b478ff06de56017e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04322",
    "kind": "arxiv",
    "version": 2
  }
}