Pith Number

pith:EM4ILJEX

pith:2012:EM4ILJEXJ7SIG7IGPYA7YLAFLC

not attested not anchored not stored refs pending

Unconventional Cosmology

Robert H. Brandenberger (McGill Univ.)

arxiv:1203.6698 v1 · 2012-03-30 · astro-ph.CO · gr-qc · hep-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{EM4ILJEXJ7SIG7IGPYA7YLAFLC}

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	2026-05-18T01:58:00.225258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

233885a4974fe4837d067e01fc2c05589e7d64dc34af07c9e563b168d3d4dd7f

Aliases

arxiv: 1203.6698 · arxiv_version: 1203.6698v1 · doi: 10.48550/arxiv.1203.6698 · pith_short_12: EM4ILJEXJ7SI · pith_short_16: EM4ILJEXJ7SIG7IG · pith_short_8: EM4ILJEX

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/EM4ILJEXJ7SIG7IGPYA7YLAFLC \
  | 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: 233885a4974fe4837d067e01fc2c05589e7d64dc34af07c9e563b168d3d4dd7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac653cc7e7d9d020441386b84302f17e62fdadd5953b0158b947e8d540d92f9",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-30T01:41:36Z",
    "title_canon_sha256": "08ee9969da37a2272ed91627623b282eebb227b64898c8cda0ee0a75d1fd1cb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6698",
    "kind": "arxiv",
    "version": 1
  }
}