Pith Number

pith:VWHTTNHA

pith:2013:VWHTTNHANKHB3SV5EWP4RAIYGR

not attested not anchored not stored refs pending

Can all cosmological observations be accurately interpreted with a unique geometry?

H\'el\`ene Dupuy, Jean-Philippe Uzan, Pierre Fleury

arxiv:1304.7791 v2 · 2013-04-29 · astro-ph.CO · 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{VWHTTNHANKHB3SV5EWP4RAIYGR}

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	2026-05-18T03:14:19.565141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad8f39b4e06a8e1dcabd259fc8811834778264230b8b77f2e5b193414cd95228

Aliases

arxiv: 1304.7791 · arxiv_version: 1304.7791v2 · doi: 10.48550/arxiv.1304.7791 · pith_short_12: VWHTTNHANKHB · pith_short_16: VWHTTNHANKHB3SV5 · pith_short_8: VWHTTNHA

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/VWHTTNHANKHB3SV5EWP4RAIYGR \
  | 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: ad8f39b4e06a8e1dcabd259fc8811834778264230b8b77f2e5b193414cd95228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd58e3c9cc012a4c4aae39b1e8f0100b9876efdd9f81070bbcdf500f07545c73",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-04-29T20:09:22Z",
    "title_canon_sha256": "9e3f9ddc4628000f3a6a9f2bf218f461ace4c3fb689862e4443429be503b21aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7791",
    "kind": "arxiv",
    "version": 2
  }
}