Pith Number

pith:R77ZI67N

pith:2007:R77ZI67NVVYTSIBFCUHSIGXSEZ

not attested not anchored not stored refs pending

On the dynamics of the universe in $D$ spatial dimensions

R. F. L. Holanda, S. H. Pereira

arxiv:0707.3387 v2 · 2007-07-23 · 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{R77ZI67NVVYTSIBFCUHSIGXSEZ}

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	2026-05-18T03:51:46.103585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fff947bedad71392025150f241af2264143dc8d7857ea73d79c21e99af4705b

Aliases

arxiv: 0707.3387 · arxiv_version: 0707.3387v2 · doi: 10.48550/arxiv.0707.3387 · pith_short_12: R77ZI67NVVYT · pith_short_16: R77ZI67NVVYTSIBF · pith_short_8: R77ZI67N

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/R77ZI67NVVYTSIBFCUHSIGXSEZ \
  | 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: 8fff947bedad71392025150f241af2264143dc8d7857ea73d79c21e99af4705b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8573ec98df9c18146271799d217972ead0fc2081d8e7c3fc349c3b2f8a467991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-07-23T18:17:10Z",
    "title_canon_sha256": "64ce82bf6fc6351bb91761367acd3fadbd0b1dbb760317dbe1b38a8ef8c003fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3387",
    "kind": "arxiv",
    "version": 2
  }
}