Pith Number

pith:XSKEIQVE

pith:2013:XSKEIQVEKSCIQHTOSXWYGQTTG4

not attested not anchored not stored refs pending

Not all traces on the circle come from functions of least gradient in the disk

Alexandru Tamasan, Greg Spradlin

arxiv:1311.1494 v1 · 2013-11-06 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSKEIQVEKSCIQHTOSXWYGQTTG4}

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	2026-05-18T03:07:53.189458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc944442a45484881e6e95ed8342733734867b1ab65658a3992c64133f1d9a70

Aliases

arxiv: 1311.1494 · arxiv_version: 1311.1494v1 · doi: 10.48550/arxiv.1311.1494 · pith_short_12: XSKEIQVEKSCI · pith_short_16: XSKEIQVEKSCIQHTO · pith_short_8: XSKEIQVE

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/XSKEIQVEKSCIQHTOSXWYGQTTG4 \
  | 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: bc944442a45484881e6e95ed8342733734867b1ab65658a3992c64133f1d9a70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "795e2568e821261f40aab538c81847ec3daf1646ca680f09ace2bd0e17884a02",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-06T20:46:55Z",
    "title_canon_sha256": "39a57d1f1713f9488a7cc275a37c4eb9c814b7083c517190750141fe3736c838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1494",
    "kind": "arxiv",
    "version": 1
  }
}