Pith Number

pith:IZXYBTJ5

pith:2008:IZXYBTJ5JX663G6JOGR2VR2IWY

not attested not anchored not stored refs pending

Tachyonization of the $\La$CDM cosmological model

Gilberto M. Kremer, Luis P. Chimento, Marlos O. Ribas, M\'onica Forte

arxiv:0809.1919 v2 · 2008-09-11 · 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{IZXYBTJ5JX663G6JOGR2VR2IWY}

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	2026-05-18T04:35:47.048910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

466f80cd3d4dfded9bc971a3aac748b60b184441074aed4ad3c5e588f3ccb1f7

Aliases

arxiv: 0809.1919 · arxiv_version: 0809.1919v2 · doi: 10.48550/arxiv.0809.1919 · pith_short_12: IZXYBTJ5JX66 · pith_short_16: IZXYBTJ5JX663G6J · pith_short_8: IZXYBTJ5

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/IZXYBTJ5JX663G6JOGR2VR2IWY \
  | 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: 466f80cd3d4dfded9bc971a3aac748b60b184441074aed4ad3c5e588f3ccb1f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86427832f90c4852f5a7e2e3f52641b99c5bd486d63ec4015539903618c6a9f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-09-11T06:40:22Z",
    "title_canon_sha256": "15015967afdf01f12a6a1084810c94bae0a2e431c92df35e009c3e0d3b51aa6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1919",
    "kind": "arxiv",
    "version": 2
  }
}