Pith Number

pith:UJRCHZ4J

pith:2018:UJRCHZ4JBEV5WMBZEFIO5JDUF7

not attested not anchored not stored refs pending

Quantum Hubble horizon

Jakub Mielczarek, Michal Artymowski

arxiv:1806.03924 v1 · 2018-06-11 · 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{UJRCHZ4JBEV5WMBZEFIO5JDUF7}

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	2026-07-05T00:01:25.885030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a26223e789092bdb30392150eea4742ff245726ac26ebf6247f1b4ece207553a

Aliases

arxiv: 1806.03924 · arxiv_version: 1806.03924v1 · doi: 10.48550/arxiv.1806.03924 · pith_short_12: UJRCHZ4JBEV5 · pith_short_16: UJRCHZ4JBEV5WMBZ · pith_short_8: UJRCHZ4J

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/UJRCHZ4JBEV5WMBZEFIO5JDUF7 \
  | 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: a26223e789092bdb30392150eea4742ff245726ac26ebf6247f1b4ece207553a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e326fb83a03f0eab442ef17c8ce8aa093f03e3908139cde3ea21e6dc2f18dc3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-06-11T11:43:45Z",
    "title_canon_sha256": "18f515fefd991e351bb8eee751d779317912491e5a2a2515f4e68b055224a14a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03924",
    "kind": "arxiv",
    "version": 1
  }
}