Pith Number

pith:HT3WAAV3

pith:2015:HT3WAAV3JNNKCA2O5ZMLDT7P4F

not attested not anchored not stored refs pending

The pseudoarc is a co-existentially closed continuum

Alessandro Vignati, Christopher J. Eagle, Isaac Goldbring

arxiv:1503.03443 v2 · 2015-03-11 · math.LO · math.GN · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HT3WAAV3JNNKCA2O5ZMLDT7P4F}

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	2026-05-18T01:11:38.780029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cf76002bb4b5aa1034eee58b1cfefe14b17bbfc7e07796498c34ca555de2f33

Aliases

arxiv: 1503.03443 · arxiv_version: 1503.03443v2 · doi: 10.48550/arxiv.1503.03443 · pith_short_12: HT3WAAV3JNNK · pith_short_16: HT3WAAV3JNNKCA2O · pith_short_8: HT3WAAV3

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/HT3WAAV3JNNKCA2O5ZMLDT7P4F \
  | 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: 3cf76002bb4b5aa1034eee58b1cfefe14b17bbfc7e07796498c34ca555de2f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36c85ae0a418ea20e6180b1a7a6517dee28ea1965b0f10415b33d62fa671c2f",
    "cross_cats_sorted": [
      "math.GN",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-03-11T18:36:43Z",
    "title_canon_sha256": "92b9ace48e138e94f80023e42badc89514bb26ccfeda416d8fe007da21754559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03443",
    "kind": "arxiv",
    "version": 2
  }
}