Pith Number

pith:5DV7VX5D

pith:2014:5DV7VX5DP5MUSSEKDTT6NISQNY

not attested not anchored not stored refs pending

Persistence of fixed points under rigid perturbations of maps

Pedro A. S. Salom\~ao, Salvador Addas-Zanata

arxiv:1404.1302 v1 · 2014-04-04 · 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{5DV7VX5DP5MUSSEKDTT6NISQNY}

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	2026-05-18T02:54:47.796396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8ebfadfa37f5949488a1ce7e6a2506e1242b329cca2bd44b9c020e86ab4797c

Aliases

arxiv: 1404.1302 · arxiv_version: 1404.1302v1 · doi: 10.48550/arxiv.1404.1302 · pith_short_12: 5DV7VX5DP5MU · pith_short_16: 5DV7VX5DP5MUSSEK · pith_short_8: 5DV7VX5D

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/5DV7VX5DP5MUSSEKDTT6NISQNY \
  | 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: e8ebfadfa37f5949488a1ce7e6a2506e1242b329cca2bd44b9c020e86ab4797c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05224357799803316d8a34744b5f8a7a4a452caee58f0f3a69a985dc0333027c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-04-04T16:26:21Z",
    "title_canon_sha256": "6e8ebe4163068d45690c4ae71b5b4a1bdc681ec95e36c82c70b2a5bca77faeeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1302",
    "kind": "arxiv",
    "version": 1
  }
}