Pith Number

pith:NNI2M42U

pith:2021:NNI2M42UCMHAP6V5O4S7TPAFD6

not attested not anchored not stored refs pending

Lorentzian quantum cosmology goes simplicial

Bianca Dittrich, Steffen Gielen, Susanne Schander

arxiv:2109.00875 v4 · 2021-09-02 · gr-qc · 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{NNI2M42UCMHAP6V5O4S7TPAFD6}

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.

Cited by

1 paper in Pith

Quantum Gravity, Hydrodynamics and Emergent Cosmology: A Collection of Perspectives

Receipt and verification

First computed	2026-07-05T03:50:16.226332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b51a67354130e07fabd7725f9bc051fbe94eff2cfedbffc7246db896ae7826a

Aliases

arxiv: 2109.00875 · arxiv_version: 2109.00875v4 · doi: 10.48550/arxiv.2109.00875 · pith_short_12: NNI2M42UCMHA · pith_short_16: NNI2M42UCMHAP6V5 · pith_short_8: NNI2M42U

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/NNI2M42UCMHAP6V5O4S7TPAFD6 \
  | 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: 6b51a67354130e07fabd7725f9bc051fbe94eff2cfedbffc7246db896ae7826a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "043ab98c13dc873434e30fac7cb9272109542750979f6247ba5d7b4d698167d4",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-09-02T12:36:19Z",
    "title_canon_sha256": "bb179bac111eb26e00d74feb81ada4b27f4613ca2d41778e5a4baafc5e91fb30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00875",
    "kind": "arxiv",
    "version": 4
  }
}