Pith Number

pith:5HHOREIU

pith:2016:5HHOREIU577R3DDKUQIB2L4WDU

not attested not anchored not stored refs pending

Some conceptual issues in loop quantum cosmology

Aur\'elien Barrau, Boris Bolliet

arxiv:1602.04452 v3 · 2016-02-14 · 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{5HHOREIU577R3DDKUQIB2L4WDU}

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	2026-05-18T01:10:07.016372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cee89114efff1d8c6aa4101d2f961d3a5fd02ddf81b44ff8ed0c298293f0f5

Aliases

arxiv: 1602.04452 · arxiv_version: 1602.04452v3 · doi: 10.48550/arxiv.1602.04452 · pith_short_12: 5HHOREIU577R · pith_short_16: 5HHOREIU577R3DDK · pith_short_8: 5HHOREIU

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/5HHOREIU577R3DDKUQIB2L4WDU \
  | 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: e9cee89114efff1d8c6aa4101d2f961d3a5fd02ddf81b44ff8ed0c298293f0f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8c8a987c9805dbb188fd44da7fcd400906ad74933259ad9b22b1afc803650ba",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-14T13:32:35Z",
    "title_canon_sha256": "8e7e0200af496b69b0ef3ce163fa05b04ab889670365bb8d8fa353a8d2a8a045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04452",
    "kind": "arxiv",
    "version": 3
  }
}