Pith Number

pith:T2LGUGUD

pith:2016:T2LGUGUDOKKOH2BVWBDDZ2FBMU

not attested not anchored not stored refs pending

Limits of time in cosmology

Henrik Zinkernagel, Svend E. Rugh

arxiv:1603.05449 v1 · 2016-03-17 · gr-qc · astro-ph.CO · hep-th · physics.hist-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2LGUGUDOKKOH2BVWBDDZ2FBMU}

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	2026-05-18T01:18:56.294191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e966a1a837294e3e835b0463ce8a16513dff4ec3cb7b5befbe54e676045143e

Aliases

arxiv: 1603.05449 · arxiv_version: 1603.05449v1 · doi: 10.48550/arxiv.1603.05449 · pith_short_12: T2LGUGUDOKKO · pith_short_16: T2LGUGUDOKKOH2BV · pith_short_8: T2LGUGUD

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/T2LGUGUDOKKOH2BVWBDDZ2FBMU \
  | 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: 9e966a1a837294e3e835b0463ce8a16513dff4ec3cb7b5befbe54e676045143e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "043504e9b4e50108744ed2ad813229a6bac498385bc9703b62cfc79206894f5f",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th",
      "physics.hist-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-03-17T12:28:46Z",
    "title_canon_sha256": "5bb7f389270cf0ead1aba20ae6b8fa8ced666855b1f9f4748b72369f9e241654"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05449",
    "kind": "arxiv",
    "version": 1
  }
}