Pith Number

pith:BWNGHUB5

pith:2001:BWNGHUB5OT2GEF3IXCNPHBEQQ4

not attested not anchored not stored refs pending

Current Trends in Mathematical Cosmology

Spiros Cotsakis

arxiv:gr-qc/0107090 v2 · 2001-07-27 · gr-qc · astro-ph · 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{BWNGHUB5OT2GEF3IXCNPHBEQQ4}

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	2026-05-18T01:21:45.652074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9a63d03d74f4621768b89af38490872d9ca2aef9c72c7313cab3446d97a065

Aliases

arxiv: gr-qc/0107090 · arxiv_version: gr-qc/0107090v2 · doi: 10.48550/arxiv.gr-qc/0107090 · pith_short_12: BWNGHUB5OT2G · pith_short_16: BWNGHUB5OT2GEF3I · pith_short_8: BWNGHUB5

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/BWNGHUB5OT2GEF3IXCNPHBEQQ4 \
  | 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: 0d9a63d03d74f4621768b89af38490872d9ca2aef9c72c7313cab3446d97a065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3072b606587de2179182a8a61b35213017c6c33684b7e16b98c1f24b8c0cf1",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-07-27T17:32:02Z",
    "title_canon_sha256": "fbc8cfff9cd4a80a1608aff0f0a7b7a7fcad0f5d228142b0633fe40027af608a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0107090",
    "kind": "arxiv",
    "version": 2
  }
}