Pith Number

pith:PNH4KGKU

pith:2007:PNH4KGKUZC4KJ74JDFTEGSWYTO

not attested not anchored not stored refs pending

The dressing procedure for the cosmological equations and the indefinite future of the universe

A.V. Yurov, V.A. Astashenok, V.A. Yurov

arxiv:astro-ph/0701597 v3 · 2007-01-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNH4KGKUZC4KJ74JDFTEGSWYTO}

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	2026-05-18T04:35:03.747349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b4fc51954c8b8a4ff891966434ad89b906a42a1583f2acf91c7fa8c0d707e84

Aliases

arxiv: astro-ph/0701597 · arxiv_version: astro-ph/0701597v3 · doi: 10.48550/arxiv.astro-ph/0701597 · pith_short_12: PNH4KGKUZC4K · pith_short_16: PNH4KGKUZC4KJ74J · pith_short_8: PNH4KGKU

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/PNH4KGKUZC4KJ74JDFTEGSWYTO \
  | 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: 7b4fc51954c8b8a4ff891966434ad89b906a42a1583f2acf91c7fa8c0d707e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de092c6576db870b88264143b8f197a635c2c5a940e430d6b60d1deb0f38cdb3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-21T17:01:40Z",
    "title_canon_sha256": "dbf50ebe9de852d865e03ad97f07a56a5147ee17e7324654363d7c960e0d9c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701597",
    "kind": "arxiv",
    "version": 3
  }
}