Pith Number

pith:5Q5C54UY

pith:2016:5Q5C54UYU2KOUMN5UVSEYFE4TU

not attested not anchored not stored refs pending

Core spaces, sector spaces and fan spaces: a topological approach to domain theory

Marcel Ern\'e

arxiv:1607.04721 v1 · 2016-07-16 · cs.LO · 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{5Q5C54UYU2KOUMN5UVSEYFE4TU}

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	2026-05-18T01:10:56.934627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec3a2ef298a694ea31bda5644c149c9d270a583ee75457deeb5dbf7c6cea303d

Aliases

arxiv: 1607.04721 · arxiv_version: 1607.04721v1 · doi: 10.48550/arxiv.1607.04721 · pith_short_12: 5Q5C54UYU2KO · pith_short_16: 5Q5C54UYU2KOUMN5 · pith_short_8: 5Q5C54UY

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/5Q5C54UYU2KOUMN5UVSEYFE4TU \
  | 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: ec3a2ef298a694ea31bda5644c149c9d270a583ee75457deeb5dbf7c6cea303d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1790e9d8a05a33cd9af8596b4b399671351c807a1116855442a09e75d609df",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-07-16T09:18:50Z",
    "title_canon_sha256": "9da38ce26d9c7681d3d1ebc26382ab7c2b03e10a9ea22fd94584ba02a6763255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04721",
    "kind": "arxiv",
    "version": 1
  }
}