Pith Number

pith:RRNXHIMV

pith:2021:RRNXHIMVYYYS5ZY43RLT2UI5XI

not attested not anchored not stored refs pending

Big-bounce and future time singularity resolution in Bianchi I: the projective invariant Nieh-Yan case

Flavio Bombacigno, Giovanni Montani, Gonzalo J. Olmo, Simon Boudet

arxiv:2105.06870 v1 · 2021-05-14 · 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{RRNXHIMVYYYS5ZY43RLT2UI5XI}

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

2 papers in Pith

Nonrotating and rotating black holes with secondary disformal hair in a ghost-free metric-affine parity-violating scalar-torsion theory

Dynamical system analysis of the cosmological phases in Palatini $k$-essence gravity

Receipt and verification

First computed	2026-07-05T02:49:30.569949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c5b73a195c6312ee71cdc573d511dba37d36b282f7c489b860f07fcb43e1e8b

Aliases

arxiv: 2105.06870 · arxiv_version: 2105.06870v1 · doi: 10.48550/arxiv.2105.06870 · pith_short_12: RRNXHIMVYYYS · pith_short_16: RRNXHIMVYYYS5ZY4 · pith_short_8: RRNXHIMV

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/RRNXHIMVYYYS5ZY43RLT2UI5XI \
  | 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: 8c5b73a195c6312ee71cdc573d511dba37d36b282f7c489b860f07fcb43e1e8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7886d5c27305b15057371d19700c401817ef945f67a7b373b7ca204469df55",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-05-14T14:55:01Z",
    "title_canon_sha256": "bfff3e7c3eab2d9cddec9d4223ee76e30abc907ecc5d6c678bdd6a040a728071"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.06870",
    "kind": "arxiv",
    "version": 1
  }
}