Pith Number

pith:ME6L2OKC

pith:2016:ME6L2OKCRQK4VT5GZXEF4E5SDC

not attested not anchored not stored refs pending

The Topology of the Cosmic Web in Terms of Persistent Betti Numbers

Bernard J.T. Jones, Gert Vegter, Herbert Edelsbrunner, Mathijs Wintraecken, Michael Kerber, Pratyush Pranav, Rien van de Weygaert

arxiv:1608.04519 v3 · 2016-08-16 · astro-ph.CO · math.AT

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

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.

Cited by

1 paper in Pith

Topological Signatures of Heating and Dark Matter in the 21 cm Forest

Receipt and verification

First computed	2026-05-17T23:52:44.660951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

613cbd39428c15cacfa6cdc85e13b2188b963e65c40304c0a9dfe0a20bcfaaec

Aliases

arxiv: 1608.04519 · arxiv_version: 1608.04519v3 · doi: 10.48550/arxiv.1608.04519 · pith_short_12: ME6L2OKCRQK4 · pith_short_16: ME6L2OKCRQK4VT5G · pith_short_8: ME6L2OKC

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/ME6L2OKCRQK4VT5GZXEF4E5SDC \
  | 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: 613cbd39428c15cacfa6cdc85e13b2188b963e65c40304c0a9dfe0a20bcfaaec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bc5a96bd295bc75c29b2f58e50a5cca34243ac9957a774129a157f733e233df",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-08-16T08:50:27Z",
    "title_canon_sha256": "b2eebfc0a5285eb4d33823b09c1d071d95f750b6cdae7729d069d97a35684d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04519",
    "kind": "arxiv",
    "version": 3
  }
}