Pith Number

pith:7V6LDADK

pith:2018:7V6LDADKOOOEWTVRNBSQRFVDYG

not attested not anchored not stored refs pending

The $\Lambda$ to zero limit of spacetimes and its physical interpretation

Claudio Paganini, Mark Bugden

arxiv:1810.00436 v1 · 2018-09-30 · 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{7V6LDADKOOOEWTVRNBSQRFVDYG}

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	2026-05-17T23:54:16.014234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7cb1806a739c4b4eb168650896a3c1a7b02552cbdfb068ff352684787cea63

Aliases

arxiv: 1810.00436 · arxiv_version: 1810.00436v1 · doi: 10.48550/arxiv.1810.00436 · pith_short_12: 7V6LDADKOOOE · pith_short_16: 7V6LDADKOOOEWTVR · pith_short_8: 7V6LDADK

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/7V6LDADKOOOEWTVRNBSQRFVDYG \
  | 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: fd7cb1806a739c4b4eb168650896a3c1a7b02552cbdfb068ff352684787cea63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d110af7336fa7700aeaf531d603921ac6bb1c71757031113bcac21346b0e9b66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-09-30T18:21:18Z",
    "title_canon_sha256": "578f23f4263130945137e78e2f0339427df66df81c45ccf0914ef7a6793b6671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00436",
    "kind": "arxiv",
    "version": 1
  }
}