Pith Number

pith:UHAFVA6H

pith:2021:UHAFVA6HUPPIUOGNZNBHOVGB3N

not attested not anchored not stored refs pending

Late-time evolution of the Universe within a two-scalar-field cosmological model

Paulo M. S\'a

arxiv:2103.01693 v2 · 2021-03-02 · 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{UHAFVA6HUPPIUOGNZNBHOVGB3N}

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

Dark Energy Is Not That Into You: Variable Couplings after DESI DR2 BAO

Receipt and verification

First computed	2026-07-05T02:48:21.728454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1c05a83c7a3de8a38cdcb427754c1db5eacc3a06b43571954682b2575a646ae

Aliases

arxiv: 2103.01693 · arxiv_version: 2103.01693v2 · doi: 10.48550/arxiv.2103.01693 · pith_short_12: UHAFVA6HUPPI · pith_short_16: UHAFVA6HUPPIUOGN · pith_short_8: UHAFVA6H

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/UHAFVA6HUPPIUOGNZNBHOVGB3N \
  | 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: a1c05a83c7a3de8a38cdcb427754c1db5eacc3a06b43571954682b2575a646ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "744317e21f434e51c12d8b3fadbbfb96f386a50e6ffef9575d98769dee0e12bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-02T12:55:45Z",
    "title_canon_sha256": "d340eaa6a9d49c38a5ec8bee8015619e44037834543293bdd18fe697d4488580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01693",
    "kind": "arxiv",
    "version": 2
  }
}