Pith Number

pith:JJ7DNEE7

pith:2011:JJ7DNEE76MX353WIYIYS5BNLH2

not attested not anchored not stored refs pending

An Early Universe Model with Stiff Matter and a Cosmological Constant

C. Neves, E. V. Corr\^ea Silva, G. A. Monerat, G. Oliveira-Neto, L. G. Ferreira

arxiv:1106.3963 v2 · 2011-06-20 · 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{JJ7DNEE76MX353WIYIYS5BNLH2}

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	2026-05-18T02:01:34.626625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7e36909ff32fbeeec8c2312e85ab3eaebd251bb90e3aeda07ced0568dc7f70

Aliases

arxiv: 1106.3963 · arxiv_version: 1106.3963v2 · doi: 10.48550/arxiv.1106.3963 · pith_short_12: JJ7DNEE76MX3 · pith_short_16: JJ7DNEE76MX353WI · pith_short_8: JJ7DNEE7

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/JJ7DNEE76MX353WIYIYS5BNLH2 \
  | 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: 4a7e36909ff32fbeeec8c2312e85ab3eaebd251bb90e3aeda07ced0568dc7f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf8392901c3efd124b236319fb4c5a8504865e3362ef576db2ccca523b634c55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-20T16:33:21Z",
    "title_canon_sha256": "3c145e18041643992c334728afddf9e460f7ad82350df815c2b5f1a9190978b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3963",
    "kind": "arxiv",
    "version": 2
  }
}