Pith Number

pith:PGCKRWDL

pith:2017:PGCKRWDLMXASECMDYZ33J3ICAF

not attested not anchored not stored refs pending

Unimodular quantum gravity and the cosmological constant

R. Percacci

arxiv:1712.09903 v1 · 2017-12-28 · 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{PGCKRWDLMXASECMDYZ33J3ICAF}

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	2026-05-18T00:09:16.853528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7984a8d86b65c1220983c677b4ed02016936c5fdf9d5ddc385d91a9694d36054

Aliases

arxiv: 1712.09903 · arxiv_version: 1712.09903v1 · doi: 10.48550/arxiv.1712.09903 · pith_short_12: PGCKRWDLMXAS · pith_short_16: PGCKRWDLMXASECMD · pith_short_8: PGCKRWDL

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/PGCKRWDLMXASECMDYZ33J3ICAF \
  | 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: 7984a8d86b65c1220983c677b4ed02016936c5fdf9d5ddc385d91a9694d36054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d10c2c51e7b5eaecafe63f44e4c58843462330f8bf5358d2e322a1c1ea4721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-28T15:39:52Z",
    "title_canon_sha256": "4ad9759b505d4b7a711df1be367d4965720ea337bd376f4a81ae995fc433b807"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09903",
    "kind": "arxiv",
    "version": 1
  }
}