Pith Number

pith:II3M4E6L

pith:2011:II3M4E6LBEBLHDJ5LTJT6KE7VI

not attested not anchored not stored refs pending

The variation of G in a negatively curved space-time

Francisco S. N. Lobo, Jos\'e P. Mimoso

arxiv:1101.4405 v1 · 2011-01-23 · 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{II3M4E6LBEBLHDJ5LTJT6KE7VI}

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	2026-05-18T02:03:25.140051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4236ce13cb0902b38d3d5cd33f289faa0cee167bb5b4d958739e1fc672323082

Aliases

arxiv: 1101.4405 · arxiv_version: 1101.4405v1 · doi: 10.48550/arxiv.1101.4405 · pith_short_12: II3M4E6LBEBL · pith_short_16: II3M4E6LBEBLHDJ5 · pith_short_8: II3M4E6L

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/II3M4E6LBEBLHDJ5LTJT6KE7VI \
  | 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: 4236ce13cb0902b38d3d5cd33f289faa0cee167bb5b4d958739e1fc672323082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c99f425d07cd9a589db289e1c5c0408806db787ba54420971c159ac84202983",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-01-23T21:37:15Z",
    "title_canon_sha256": "f6cfe16d674350701572f199c87ff70ee516f7df5306cf218fc3efcbe4e2dffb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4405",
    "kind": "arxiv",
    "version": 1
  }
}