Pith Number

pith:K2HKBWLH

pith:2001:K2HKBWLH3X3UDVUW7JBPDTK7L6

not attested not anchored not stored refs pending

A reconstruction of the initial conditions of the Universe by optimal mass transportation

Andrei Sobolevski, Roya Mohayaee, Sabino Matarrese, Uriel Frisch

arxiv:astro-ph/0109483 v3 · 2001-09-26 · astro-ph · cond-mat · math.OC · nlin.CD

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

A Measure-Theoretic Transport Formulation of Galaxy Evolution on the Galaxy Manifold: Geometric Constraints

Receipt and verification

First computed	2026-05-18T01:40:44.040448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568ea0d967ddf741d696fa42f1cd5f5fa118e3afa3dc9528951375239c1d33fa

Aliases

arxiv: astro-ph/0109483 · arxiv_version: astro-ph/0109483v3 · doi: 10.48550/arxiv.astro-ph/0109483 · pith_short_12: K2HKBWLH3X3U · pith_short_16: K2HKBWLH3X3UDVUW · pith_short_8: K2HKBWLH

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/K2HKBWLH3X3UDVUW7JBPDTK7L6 \
  | 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: 568ea0d967ddf741d696fa42f1cd5f5fa118e3afa3dc9528951375239c1d33fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "762bd683ac3a78a82ce342521e70b1752acff63a698282d559a969ee26cc0556",
    "cross_cats_sorted": [
      "cond-mat",
      "math.OC",
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-26T15:11:25Z",
    "title_canon_sha256": "42748540535ea2601f0d83fd28cc7509a30c12f6e519790aeabda9aafb196abf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109483",
    "kind": "arxiv",
    "version": 3
  }
}