Pith Number

pith:SKASOYPI

pith:2018:SKASOYPI4UVCE6T27OD63IAICI

not attested not anchored not stored refs pending

On Bias and Rank

David Kazhdan, Tomer M. Schlank

arxiv:1808.05801 v1 · 2018-08-17 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SKASOYPI4UVCE6T27OD63IAICI}

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	2026-05-18T00:07:52.081961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92812761e8e52a227a7afb87eda00812053abd677abafb11819d0f745f68e784

Aliases

arxiv: 1808.05801 · arxiv_version: 1808.05801v1 · doi: 10.48550/arxiv.1808.05801 · pith_short_12: SKASOYPI4UVC · pith_short_16: SKASOYPI4UVCE6T2 · pith_short_8: SKASOYPI

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/SKASOYPI4UVCE6T27OD63IAICI \
  | 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: 92812761e8e52a227a7afb87eda00812053abd677abafb11819d0f745f68e784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02ff47b8e6e175239db71c89347ff76706b681ba781473d27fbfe3cf4917660c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-08-17T09:13:40Z",
    "title_canon_sha256": "95fb5811c20910b728e666c849a2c7544a81b6faccd0b121ee9e10eae18684fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05801",
    "kind": "arxiv",
    "version": 1
  }
}