Pith Number

pith:NG5V4QHT

pith:2006:NG5V4QHTGAI3GYTPW6IAJM7VYL

not attested not anchored not stored refs pending

Massless scalar field in two-dimensional de Sitter universe

Francesco Corbetta, Marco Bertola, Ugo Moschella

arxiv:math-ph/0609080 v1 · 2006-09-27 · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NG5V4QHTGAI3GYTPW6IAJM7VYL}

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	2026-05-18T01:38:32.634954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69bb5e40f33011b3626fb79004b3f5c2e10636e15bf075985ed771a9adea29c1

Aliases

arxiv: math-ph/0609080 · arxiv_version: math-ph/0609080v1 · doi: 10.48550/arxiv.math-ph/0609080 · pith_short_12: NG5V4QHTGAI3 · pith_short_16: NG5V4QHTGAI3GYTP · pith_short_8: NG5V4QHT

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/NG5V4QHTGAI3GYTPW6IAJM7VYL \
  | 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: 69bb5e40f33011b3626fb79004b3f5c2e10636e15bf075985ed771a9adea29c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b105389a150fc03b726f7f6b4b1f6aa307df5170ccbbbd7c3d91f2c9ff26ddc8",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math-ph",
    "submitted_at": "2006-09-27T14:22:33Z",
    "title_canon_sha256": "604c97a028f061af6c4a25678f02a81245814b2062ba677ccc9d6ef0d5f4b1ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math-ph/0609080",
    "kind": "arxiv",
    "version": 1
  }
}