Pith Number

pith:TYDRDMBV

pith:2013:TYDRDMBVVZQNIXRGH4IHPBPMNV

not attested not anchored not stored refs pending

On the modified entropy equation

Eszter Gselmann

arxiv:1307.0655 v1 · 2013-07-02 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TYDRDMBVVZQNIXRGH4IHPBPMNV}

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	2026-05-18T03:19:24.887876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e0711b035ae60d45e263f107785ec6d6d9d57652d0e19d23fcf56a6c626133f

Aliases

arxiv: 1307.0655 · arxiv_version: 1307.0655v1 · doi: 10.48550/arxiv.1307.0655 · pith_short_12: TYDRDMBVVZQN · pith_short_16: TYDRDMBVVZQNIXRG · pith_short_8: TYDRDMBV

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/TYDRDMBVVZQNIXRGH4IHPBPMNV \
  | 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: 9e0711b035ae60d45e263f107785ec6d6d9d57652d0e19d23fcf56a6c626133f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9ffec737bc935f26be182b3faebe27b7c3f07c9a801a59b2b5092ea3c66abdb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-07-02T10:03:54Z",
    "title_canon_sha256": "97c7d4e1bf7988f0c39c88e4d12f3a2df998cce29ecc7f2b49dbce00abbc5ba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0655",
    "kind": "arxiv",
    "version": 1
  }
}