Pith Number

pith:M3YHL3KA

pith:1995:M3YHL3KA73L7C3PPVMZDJTBQ4Y

not attested not anchored not stored refs pending

Radiation-Dominated Quantum Friedmann Models

MIT), Nivaldo A. Lemos (Center for Theoretical Physics

arxiv:gr-qc/9511082 v1 · 1995-11-30 · 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{M3YHL3KA73L7C3PPVMZDJTBQ4Y}

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	2026-05-18T01:39:19.473282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f075ed40fed7f16defab3234cc30e60d356a8126af7ce322d7c579da447ed5

Aliases

arxiv: gr-qc/9511082 · arxiv_version: gr-qc/9511082v1 · doi: 10.48550/arxiv.gr-qc/9511082 · pith_short_12: M3YHL3KA73L7 · pith_short_16: M3YHL3KA73L7C3PP · pith_short_8: M3YHL3KA

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/M3YHL3KA73L7C3PPVMZDJTBQ4Y \
  | 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: 66f075ed40fed7f16defab3234cc30e60d356a8126af7ce322d7c579da447ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5ddd8a86da345575c5594fbc400486357d53683a4f35fe483d58ea571c0c269",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-11-30T18:10:35Z",
    "title_canon_sha256": "277ed46f3985c0e067cdb351782f5bf03246890e377d194e4ccfe0e6e10ccf91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9511082",
    "kind": "arxiv",
    "version": 1
  }
}