Pith Number

pith:2O2SIPMS

pith:2008:2O2SIPMSTML3OYWF4XK55QV6ZJ

not attested not anchored not stored refs pending

A variational principle for topological pressure for certain non-compact sets

Daniel Thompson

arxiv:0809.3941 v1 · 2008-09-23 · 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{2O2SIPMSTML3OYWF4XK55QV6ZJ}

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	2026-05-18T02:58:11.155839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b5243d929b17b762c5e5d5dec2beca48d3027eca3cf591ba6bf7723fe20632

Aliases

arxiv: 0809.3941 · arxiv_version: 0809.3941v1 · doi: 10.48550/arxiv.0809.3941 · pith_short_12: 2O2SIPMSTML3 · pith_short_16: 2O2SIPMSTML3OYWF · pith_short_8: 2O2SIPMS

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/2O2SIPMSTML3OYWF4XK55QV6ZJ \
  | 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: d3b5243d929b17b762c5e5d5dec2beca48d3027eca3cf591ba6bf7723fe20632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a20daacbceb0527c8c6931c877096ccf5aee24f4086344dde3f7e17b785a637e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2008-09-23T15:26:57Z",
    "title_canon_sha256": "e4714625703ebcda3dc348ae388ad39f69a49ce7900db40fbcad5e4d054d6c4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3941",
    "kind": "arxiv",
    "version": 1
  }
}