Pith Number

pith:SWPYVMZK

pith:2011:SWPYVMZKJI4DZCEZPEHQXJXIOZ

not attested not anchored not stored refs pending

Sequence-covering maps on generalized metric spaces

Fucai Lin, Shou Lin

arxiv:1106.3806 v1 · 2011-06-20 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWPYVMZKJI4DZCEZPEHQXJXIOZ}

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	2026-05-18T04:19:42.106936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

959f8ab32a4a383c8899790f0ba6e8764492e2074d69242d2ea2eb9fd869c1b1

Aliases

arxiv: 1106.3806 · arxiv_version: 1106.3806v1 · doi: 10.48550/arxiv.1106.3806 · pith_short_12: SWPYVMZKJI4D · pith_short_16: SWPYVMZKJI4DZCEZ · pith_short_8: SWPYVMZK

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/SWPYVMZKJI4DZCEZPEHQXJXIOZ \
  | 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: 959f8ab32a4a383c8899790f0ba6e8764492e2074d69242d2ea2eb9fd869c1b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f058515414d68e1cd6b04cb3ed5e839babf690fd237b7bc4b0b574edfd1aa91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2011-06-20T05:17:16Z",
    "title_canon_sha256": "760ffddd67167c0c6d08e88880d387a67bc6d275493e675fe4c805ad311e429c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3806",
    "kind": "arxiv",
    "version": 1
  }
}