Pith Number

pith:KDII2JFI

pith:2010:KDII2JFI4YM3PYEMQ22ZRJ6K6G

not attested not anchored not stored refs pending

L.R.S. Bianchi type II Stiff Fluid cosmological model with Decaying Vacuum Energy Density $\Lambda$ in general relativity

Hassan Amirhashchi

arxiv:1011.5709 v1 · 2010-11-26 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDII2JFI4YM3PYEMQ22ZRJ6K6G}

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	2026-05-18T04:21:21.403659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d08d24a8e619b7e08c86b598a7caf192f3579beb66e60f9458b5c25ccad902

Aliases

arxiv: 1011.5709 · arxiv_version: 1011.5709v1 · doi: 10.48550/arxiv.1011.5709 · pith_short_12: KDII2JFI4YM3 · pith_short_16: KDII2JFI4YM3PYEM · pith_short_8: KDII2JFI

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/KDII2JFI4YM3PYEMQ22ZRJ6K6G \
  | 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: 50d08d24a8e619b7e08c86b598a7caf192f3579beb66e60f9458b5c25ccad902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "641aebef7881bf44beac49b0bb4d40a2bb51eb980ffc23beeed48dfe48811bed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-11-26T06:05:34Z",
    "title_canon_sha256": "484ff3831dae22637314c4457dfb20720522e7556cd7d2fe22e333aa30d79fd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5709",
    "kind": "arxiv",
    "version": 1
  }
}