Pith Number

pith:TDUBE7GM

pith:2020:TDUBE7GMCMG25QFFBWUCGQTO5Y

not attested not anchored not stored refs pending

Ekpyrotic Cosmology with a Zero-Shear S-Brane

Robert Brandenberger, Ziwei Wang (McGill University)

arxiv:2004.06437 v2 · 2020-04-14 · 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{TDUBE7GMCMG25QFFBWUCGQTO5Y}

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.

Cited by

3 papers in Pith

Phase-resolved field-space distance criteria in ekpyrotic, bouncing and cyclic cosmologies

Receipt and verification

First computed	2026-07-05T01:19:01.192646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98e8127ccc130daec0a50da823426eee362cbc3aa023c4cdeb4ac507f9c4e17e

Aliases

arxiv: 2004.06437 · arxiv_version: 2004.06437v2 · doi: 10.48550/arxiv.2004.06437 · pith_short_12: TDUBE7GMCMG2 · pith_short_16: TDUBE7GMCMG25QFF · pith_short_8: TDUBE7GM

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/TDUBE7GMCMG25QFFBWUCGQTO5Y \
  | 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: 98e8127ccc130daec0a50da823426eee362cbc3aa023c4cdeb4ac507f9c4e17e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65336a6a934a23f717451772ed7761433494ce005652d9a01abba6f3d1e93fb5",
    "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": "2020-04-14T11:59:34Z",
    "title_canon_sha256": "d2a6c8b599b8ba4e2c21fec1f295c8b5d3a354ac88d1ee1af03f34a86eb637e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06437",
    "kind": "arxiv",
    "version": 2
  }
}