Pith Number

pith:H2CT3QJ6

pith:1998:H2CT3QJ6IYWV3CLQ6PWD55VZPS

not attested not anchored not stored refs pending

An Ever Expanding Universe?

B.G. Sidharth

arxiv:gr-qc/9805038 v2 · 1998-05-12 · 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{H2CT3QJ6IYWV3CLQ6PWD55VZPS}

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	2026-05-18T01:31:21.725671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e853dc13e462d5d8970f3ec3ef6b97cbcff6289b9ce0f8d1fb4d18358818cc9

Aliases

arxiv: gr-qc/9805038 · arxiv_version: gr-qc/9805038v2 · doi: 10.48550/arxiv.gr-qc/9805038 · pith_short_12: H2CT3QJ6IYWV · pith_short_16: H2CT3QJ6IYWV3CLQ · pith_short_8: H2CT3QJ6

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/H2CT3QJ6IYWV3CLQ6PWD55VZPS \
  | 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: 3e853dc13e462d5d8970f3ec3ef6b97cbcff6289b9ce0f8d1fb4d18358818cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36bda2587a7315806e5f10917c777a967049b6d080e5ec64899716ea917825e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-05-12T00:44:10Z",
    "title_canon_sha256": "326387849b2467f05b12b7eb6985bf9a2be2f266af39056d283218d3d15dc9b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9805038",
    "kind": "arxiv",
    "version": 2
  }
}