Pith Number

pith:R6FEUMLU

pith:2008:R6FEUMLUSCUET2SQ3DJOQHL7X3

not attested not anchored not stored refs pending

The quantum theory of the free Maxwell field on the de Sitter expanding universe

Cosmin Crucean, Ion I. Cotaescu

arxiv:0806.2515 v4 · 2008-06-16 · 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{R6FEUMLUSCUET2SQ3DJOQHL7X3}

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

Axions on de Sitter space

Receipt and verification

First computed	2026-05-18T04:26:54.843024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8a4a317490a849ea50d8d2e81d7fbeca26d03796c583b709f796dcefe3cbbf

Aliases

arxiv: 0806.2515 · arxiv_version: 0806.2515v4 · doi: 10.48550/arxiv.0806.2515 · pith_short_12: R6FEUMLUSCUE · pith_short_16: R6FEUMLUSCUET2SQ · pith_short_8: R6FEUMLU

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/R6FEUMLUSCUET2SQ3DJOQHL7X3 \
  | 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: 8f8a4a317490a849ea50d8d2e81d7fbeca26d03796c583b709f796dcefe3cbbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f37661d61e395242e735e3aea848c091b8f68d99e1844f71da9f941aad4e80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-06-16T07:58:32Z",
    "title_canon_sha256": "d38890678c2740459419c390d74fee759bf3f23b8ee3fc285679a24bc49a38a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2515",
    "kind": "arxiv",
    "version": 4
  }
}