Pith Number

pith:SYBFYZXK

pith:2023:SYBFYZXKKCMCO3JWIW653ZBZRW

not attested not anchored not stored refs pending

Superstring Cosmology -- A Complementary Review

Robert Brandenberger (McGill University)

arxiv:2306.12458 v2 · 2023-06-21 · hep-th · astro-ph.CO · gr-qc · hep-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{SYBFYZXKKCMCO3JWIW653ZBZRW}

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	2026-07-05T07:06:30.539208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96025c66ea5098276d3645bddde4398da58aee0aa66a076dff2b51b7f487cbf3

Aliases

arxiv: 2306.12458 · arxiv_version: 2306.12458v2 · doi: 10.48550/arxiv.2306.12458 · pith_short_12: SYBFYZXKKCMC · pith_short_16: SYBFYZXKKCMCO3JW · pith_short_8: SYBFYZXK

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/SYBFYZXKKCMCO3JWIW653ZBZRW \
  | 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: 96025c66ea5098276d3645bddde4398da58aee0aa66a076dff2b51b7f487cbf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c2a3d65a3fa530e2e33dde8d581b4befd4d57b51aafa86af6f170283ccb0c4e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2023-06-21T07:28:28Z",
    "title_canon_sha256": "dc134c9e75e88aef50927ba3c93070fc0aff530eef47f48d5cec574b66e435d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.12458",
    "kind": "arxiv",
    "version": 2
  }
}