Pith Number

pith:TAR5XIWJ

pith:1995:TAR5XIWJ4TD6H7ZVVNMJTKHRB7

not attested not anchored not stored refs pending

The iterated logarithmic algebra

Daniel E. Loeb

arxiv:math/9502219 v1 · 1995-02-09 · 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{TAR5XIWJ4TD6H7ZVVNMJTKHRB7}

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	2026-05-18T01:05:50.485150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9823dba2c9e4c7e3ff35ab5899a8f10fc5089fea8fcbaa2dee269dda5a1ca63d

Aliases

arxiv: math/9502219 · arxiv_version: math/9502219v1 · doi: 10.48550/arxiv.math/9502219 · pith_short_12: TAR5XIWJ4TD6 · pith_short_16: TAR5XIWJ4TD6H7ZV · pith_short_8: TAR5XIWJ

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/TAR5XIWJ4TD6H7ZVVNMJTKHRB7 \
  | 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: 9823dba2c9e4c7e3ff35ab5899a8f10fc5089fea8fcbaa2dee269dda5a1ca63d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d67f0c397f1354732063db7c7fbb8aed1df788e1c53086865aa62f5118d678f0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1995-02-09T00:00:00Z",
    "title_canon_sha256": "3164c488e8401994198e73106ef9e95b3ed21cea2dc434d40a324ca55dfe68d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9502219",
    "kind": "arxiv",
    "version": 1
  }
}