Pith Number

pith:URFADLQW

pith:2011:URFADLQWG5CWIHJ67T4XH6GRYM

not attested not anchored not stored refs pending

Thermodynamics of cosmological horizons in $f(T)$ gravity

Chao-Qiang Geng, Kazuharu Bamba

arxiv:1109.1694 v2 · 2011-09-08 · gr-qc · astro-ph.CO · 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{URFADLQWG5CWIHJ67T4XH6GRYM}

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	2026-05-18T02:00:37.934352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a44a01ae163745641d3efcf973f8d1c3330c8c0196b1aeca71e0fb535aa608bf

Aliases

arxiv: 1109.1694 · arxiv_version: 1109.1694v2 · doi: 10.48550/arxiv.1109.1694 · pith_short_12: URFADLQWG5CW · pith_short_16: URFADLQWG5CWIHJ6 · pith_short_8: URFADLQW

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/URFADLQWG5CWIHJ67T4XH6GRYM \
  | 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: a44a01ae163745641d3efcf973f8d1c3330c8c0196b1aeca71e0fb535aa608bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb7bfeb985f4b99fada6e51222b55a622e25d0bee2673c56de256ccc3ba3962e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-08T11:52:45Z",
    "title_canon_sha256": "1987ed601f9bf8985a1f2a72b9ded439bd4a3571331ba4f15820819edd73d435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.1694",
    "kind": "arxiv",
    "version": 2
  }
}