Pith Number

pith:3C4OD57V

pith:2023:3C4OD57VCQFELBHTAFXRBD2JYW

not attested not anchored not stored refs pending

Some Hidden Structure in BKL

Malcolm J. Perry

arxiv:2301.03443 v2 · 2023-01-09 · hep-th · 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{3C4OD57VCQFELBHTAFXRBD2JYW}

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

The free boundary problem in general relativity

Receipt and verification

First computed	2026-07-05T06:17:44.525480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8b8e1f7f5140a4584f3016f108f49c5a95c9278543fec5b595aa85a66eb7b3a

Aliases

arxiv: 2301.03443 · arxiv_version: 2301.03443v2 · doi: 10.48550/arxiv.2301.03443 · pith_short_12: 3C4OD57VCQFE · pith_short_16: 3C4OD57VCQFELBHT · pith_short_8: 3C4OD57V

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/3C4OD57VCQFELBHTAFXRBD2JYW \
  | 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: d8b8e1f7f5140a4584f3016f108f49c5a95c9278543fec5b595aa85a66eb7b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aab4102c4ae10b6c9d56772fbdaa846376f033c702af0fb92c12d336556d83a",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2023-01-09T15:48:18Z",
    "title_canon_sha256": "e29b60e92dc8a6efef7af4f8a720be613329e24c3e42f6b4f697f8815e7ebf0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.03443",
    "kind": "arxiv",
    "version": 2
  }
}