Pith Number

pith:J6VB5UKA

pith:2005:J6VB5UKARROS7QEBCC2IMFWJEN

not attested not anchored not stored refs pending

Cosmological constraints on a classical limit of quantum gravity

Damien A. Easson, Frederic P. Schuller, Mark Trodden, Mattias N.R. Wohlfarth

arxiv:astro-ph/0506392 v1 · 2005-06-16 · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6VB5UKARROS7QEBCC2IMFWJEN}

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	2026-07-04T16:52:34.661427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4faa1ed1408c5d2fc08110b48616c9235d8eb7f159b5321ac64ff72319a4d93d

Aliases

arxiv: astro-ph/0506392 · arxiv_version: astro-ph/0506392v1 · doi: 10.48550/arxiv.astro-ph/0506392 · pith_short_12: J6VB5UKARROS · pith_short_16: J6VB5UKARROS7QEB · pith_short_8: J6VB5UKA

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/J6VB5UKARROS7QEBCC2IMFWJEN \
  | 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: 4faa1ed1408c5d2fc08110b48616c9235d8eb7f159b5321ac64ff72319a4d93d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9350ea61d17619377c1fff235aeeac8e9d5aad8c484d08ee5911f4832abd85ea",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-16T18:55:00Z",
    "title_canon_sha256": "a115d6e3bef0493462a50cbfe1602d099239f9c7483f8add519a7dfad7c7d02e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506392",
    "kind": "arxiv",
    "version": 1
  }
}