Pith Number

pith:SPRR7QMP

pith:2015:SPRR7QMPI56SIEPWMXKSKFFIBA

not attested not anchored not stored refs pending

A Note On Topological Conjugacy For Perpetual Points

Awadhesh Prasad

arxiv:1511.05836 v1 · 2015-11-17 · math.DS · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPRR7QMPI56SIEPWMXKSKFFIBA}

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	2026-05-18T01:26:30.917164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e31fc18f477d2411f665d52514a8081147246b2bbee7c684313b00d21e969e

Aliases

arxiv: 1511.05836 · arxiv_version: 1511.05836v1 · doi: 10.48550/arxiv.1511.05836 · pith_short_12: SPRR7QMPI56S · pith_short_16: SPRR7QMPI56SIEPW · pith_short_8: SPRR7QMP

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/SPRR7QMPI56SIEPWMXKSKFFIBA \
  | 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: 93e31fc18f477d2411f665d52514a8081147246b2bbee7c684313b00d21e969e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c63c61b2451e8fb75aa47875c611aaeeec25bc2d1a3956f5ae04bbf05c20fbdd",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-11-17T11:25:19Z",
    "title_canon_sha256": "3622e1982b687b0b9f6fdb9656ee6faf742c98c824e93353a6e763190cb8e4fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05836",
    "kind": "arxiv",
    "version": 1
  }
}