Pith Number

pith:YZSK4BYY

pith:2005:YZSK4BYYK7NVX2IERCQQ6UEJ5F

not attested not anchored not stored refs pending

Prospects of Non-Riemannian Cosmology

Dirk Puetzfeld

arxiv:astro-ph/0501231 v1 · 2005-01-12 · 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{YZSK4BYYK7NVX2IERCQQ6UEJ5F}

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.

Cited by

1 paper in Pith

Friedmann cosmology with hyperfluids

Receipt and verification

First computed	2026-07-04T15:40:35.122637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c664ae071857db5be90488a10f5089e956dfe418cf24325db753180c3cf0004d

Aliases

arxiv: astro-ph/0501231 · arxiv_version: astro-ph/0501231v1 · doi: 10.48550/arxiv.astro-ph/0501231 · pith_short_12: YZSK4BYYK7NV · pith_short_16: YZSK4BYYK7NVX2IE · pith_short_8: YZSK4BYY

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/YZSK4BYYK7NVX2IERCQQ6UEJ5F \
  | 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: c664ae071857db5be90488a10f5089e956dfe418cf24325db753180c3cf0004d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca5e164d46d88b91ba7995c91803ddc8c81eadb3d7158c514fc6fff3151f782",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-12T23:22:02Z",
    "title_canon_sha256": "7f4eb5df06b0000c7617c84ad4d8a4cd0151f1251a6ea61ec8d483ffda643e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501231",
    "kind": "arxiv",
    "version": 1
  }
}