Pith Number

pith:KMU7J7QF

pith:2001:KMU7J7QFZ4L5DFWIYUPS7J5VKZ

not attested not anchored not stored refs pending

Some aspects of pre big bang cosmology

Alexander Feinstein

arxiv:gr-qc/0106001 v1 · 2001-06-01 · gr-qc · 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{KMU7J7QFZ4L5DFWIYUPS7J5VKZ}

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	2026-05-18T02:37:35.993161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5329f4fe05cf17d196c8c51f2fa7b5566ed3c4e62db11d758334756a82999718

Aliases

arxiv: gr-qc/0106001 · arxiv_version: gr-qc/0106001v1 · doi: 10.48550/arxiv.gr-qc/0106001 · pith_short_12: KMU7J7QFZ4L5 · pith_short_16: KMU7J7QFZ4L5DFWI · pith_short_8: KMU7J7QF

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/KMU7J7QFZ4L5DFWIYUPS7J5VKZ \
  | 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: 5329f4fe05cf17d196c8c51f2fa7b5566ed3c4e62db11d758334756a82999718

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c0672666fc881b2e3eddfba890c75093b4cf6a912204a60df1c4e4e831a571d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-06-01T10:37:32Z",
    "title_canon_sha256": "39cac792bbe3839e9cd68032f0e8742528f759b41cefdd7870b89c94d53c3e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0106001",
    "kind": "arxiv",
    "version": 1
  }
}