Pith Number

pith:ZS664EUJ

pith:1995:ZS664EUJXZYT25D6I7ZNPT3OJE

not attested not anchored not stored refs pending

Dynamics of the family lambda tan z

Janina Kotus, Linda Keen

arxiv:math/9507225 v1 · 1995-07-08 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZS664EUJXZYT25D6I7ZNPT3OJE}

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	2026-05-18T01:05:48.460825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbdee1289be713d747e47f2d7cf6e490746bfefb4b3ac011e34055a09d03233

Aliases

arxiv: math/9507225 · arxiv_version: math/9507225v1 · doi: 10.48550/arxiv.math/9507225 · pith_short_12: ZS664EUJXZYT · pith_short_16: ZS664EUJXZYT25D6 · pith_short_8: ZS664EUJ

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/ZS664EUJXZYT25D6I7ZNPT3OJE \
  | 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: ccbdee1289be713d747e47f2d7cf6e490746bfefb4b3ac011e34055a09d03233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5cc32c31d098aa216d9e7246206ae04928ddecd18ed29e6b37bed91c8a5b7f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "1995-07-08T00:00:00Z",
    "title_canon_sha256": "fe361ec1aa6662d4a5070432a22b05e6002e6960df98a44ddf0b89265e61ab26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9507225",
    "kind": "arxiv",
    "version": 1
  }
}