Pith Number

pith:PFRY6WUJ

pith:2018:PFRY6WUJAVGK4U7ILTAXYBPVRQ

not attested not anchored not stored refs pending

Web spaces and worldwide web spaces: topological aspects of domain theory

Marcel Ern\'e

arxiv:1802.08170 v3 · 2018-02-21 · 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{PFRY6WUJAVGK4U7ILTAXYBPVRQ}

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	2026-07-05T06:23:23.392411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79638f5a89054cae53e85cc17c05f58c38ae3668cf2c524bc16ea62cada10bbc

Aliases

arxiv: 1802.08170 · arxiv_version: 1802.08170v3 · doi: 10.48550/arxiv.1802.08170 · pith_short_12: PFRY6WUJAVGK · pith_short_16: PFRY6WUJAVGK4U7I · pith_short_8: PFRY6WUJ

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/PFRY6WUJAVGK4U7ILTAXYBPVRQ \
  | 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: 79638f5a89054cae53e85cc17c05f58c38ae3668cf2c524bc16ea62cada10bbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c95d68ac255e48d285a31a56d51ea7d3827e261e59a0eeb56794f79fdafd2f3f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2018-02-21T16:24:29Z",
    "title_canon_sha256": "b10e38f13c1b5adf204366ff125266afc5b6815345cbb47ab5ce14aa8f76f3c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08170",
    "kind": "arxiv",
    "version": 3
  }
}