Pith Number

pith:672XWWX5

pith:2016:672XWWX5DTSHFFX4X3R3ILMXJ4

not attested not anchored not stored refs pending

Experimental limits on the free parameters of higher-derivative gravity

Breno L. Giacchini

arxiv:1612.01823 v1 · 2016-12-06 · 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{672XWWX5DTSHFFX4X3R3ILMXJ4}

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	2026-05-18T00:28:25.917512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7f57b5afd1ce47296fcbee3b42d974f02cd9c17414cc75a870a83f9d244cdfd

Aliases

arxiv: 1612.01823 · arxiv_version: 1612.01823v1 · doi: 10.48550/arxiv.1612.01823 · pith_short_12: 672XWWX5DTSH · pith_short_16: 672XWWX5DTSHFFX4 · pith_short_8: 672XWWX5

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/672XWWX5DTSHFFX4X3R3ILMXJ4 \
  | 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: f7f57b5afd1ce47296fcbee3b42d974f02cd9c17414cc75a870a83f9d244cdfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "501266b1f5f8136b3c0c1fa084410742f709ebfa3803b81c1fbace12ea3c448a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-12-06T14:29:37Z",
    "title_canon_sha256": "e10d3c548f13f14c6be2aed66c1520248f17ee1c46cbbd3a1b10bac97456c154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01823",
    "kind": "arxiv",
    "version": 1
  }
}