Pith Number

pith:YQ4O4FTN

pith:2009:YQ4O4FTNKS2HHQWHKQM23KR7OP

not attested not anchored not stored refs pending

Turning big bang into big bounce: II. Quantum dynamics

Przemyslaw Malkiewicz, Wlodzimierz Piechocki

arxiv:0908.4029 v6 · 2009-08-27 · gr-qc · astro-ph.CO · hep-th · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQ4O4FTNKS2HHQWHKQM23KR7OP}

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	2026-05-18T04:25:51.082797Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c438ee166d54b473c2c75419adaa3f73cbcb1fc282c7d0574a66fc584e01712a

Aliases

arxiv: 0908.4029 · arxiv_version: 0908.4029v6 · doi: 10.48550/arxiv.0908.4029 · pith_short_12: YQ4O4FTNKS2H · pith_short_16: YQ4O4FTNKS2HHQWH · pith_short_8: YQ4O4FTN

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/YQ4O4FTNKS2HHQWHKQM23KR7OP \
  | 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: c438ee166d54b473c2c75419adaa3f73cbcb1fc282c7d0574a66fc584e01712a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a093c5591aa4eac391d4fa3f5ecde41e76ed61a1e13a350e7be33f481a2a8dd1",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-08-27T15:05:37Z",
    "title_canon_sha256": "8f84d16c8cdb1194d948d8a388700b6671006778f5ec839c1f84c6de55a6ffc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4029",
    "kind": "arxiv",
    "version": 6
  }
}