Pith Number

pith:F54FOFLM

pith:2002:F54FOFLMJ33OJR3RWBY6YESSQY

not attested not anchored not stored refs pending

Density perturbations in warm inflation and COBE normalization

H. P. de Oliveira

arxiv:gr-qc/0202045 v1 · 2002-02-13 · 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{F54FOFLMJ33OJR3RWBY6YESSQY}

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	2026-05-18T04:17:53.065052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7857156c4ef6e4c771b071ec1252862e4936ede87b70e7544e3e1791cca6b4

Aliases

arxiv: gr-qc/0202045 · arxiv_version: gr-qc/0202045v1 · doi: 10.48550/arxiv.gr-qc/0202045 · pith_short_12: F54FOFLMJ33O · pith_short_16: F54FOFLMJ33OJR3R · pith_short_8: F54FOFLM

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/F54FOFLMJ33OJR3RWBY6YESSQY \
  | 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: 2f7857156c4ef6e4c771b071ec1252862e4936ede87b70e7544e3e1791cca6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b214aef8442b49ccff6db7ea537dfe6e2d2a6149dda2c252be3ac9da4fc7e0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-02-13T08:55:46Z",
    "title_canon_sha256": "f96ed1518cc189fcbbd03f5827ed05e0293afbb31a23571b3204c1ea2350b43a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0202045",
    "kind": "arxiv",
    "version": 1
  }
}