Pith Number

pith:XEFNEGKQ

pith:2006:XEFNEGKQUICJ53CD5WKG7G5VOZ

not attested not anchored not stored refs pending

Hyperbolic times: frequency versus integrability

Jose F Alves, Vitor Araujo

arxiv:math/0607436 v1 · 2006-07-18 · 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{XEFNEGKQUICJ53CD5WKG7G5VOZ}

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	2026-05-18T03:57:14.536781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b90ad21950a2049eec43ed946f9bb57657bb3a95c748a40574785b6976989ea4

Aliases

arxiv: math/0607436 · arxiv_version: math/0607436v1 · doi: 10.48550/arxiv.math/0607436 · pith_short_12: XEFNEGKQUICJ · pith_short_16: XEFNEGKQUICJ53CD · pith_short_8: XEFNEGKQ

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/XEFNEGKQUICJ53CD5WKG7G5VOZ \
  | 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: b90ad21950a2049eec43ed946f9bb57657bb3a95c748a40574785b6976989ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80103a2809024770cf8669e4309bfeed6dcdf68114895b0d789a37c70096922b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "2006-07-18T18:27:44Z",
    "title_canon_sha256": "2755ea573400d48d6fef72209d33f64cb60471c85c90fd706ef07b97c4c38f7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607436",
    "kind": "arxiv",
    "version": 1
  }
}