Pith Number

pith:U2OW7DA7

pith:2015:U2OW7DA7J7GZATSNGKM5P3LR54

not attested not anchored not stored refs pending

Searching for a matter bounce cosmology with low redshift observations

Damien A. Easson, Dong-Gang Wang, Francis Duplessis, Yi-Fu Cai

arxiv:1512.08979 v2 · 2015-12-30 · astro-ph.CO · gr-qc · 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{U2OW7DA7J7GZATSNGKM5P3LR54}

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	2026-05-18T01:19:47.410943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a69d6f8c1f4fcd904e4d3299d7ed71ef1495e17f2ac396268774a426e58f37e0

Aliases

arxiv: 1512.08979 · arxiv_version: 1512.08979v2 · doi: 10.48550/arxiv.1512.08979 · pith_short_12: U2OW7DA7J7GZ · pith_short_16: U2OW7DA7J7GZATSN · pith_short_8: U2OW7DA7

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/U2OW7DA7J7GZATSNGKM5P3LR54 \
  | 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: a69d6f8c1f4fcd904e4d3299d7ed71ef1495e17f2ac396268774a426e58f37e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b824bd822204895af30fdee584d2debeae0b02ea7adcafef1c87e9f3a82b1304",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-12-30T15:38:14Z",
    "title_canon_sha256": "6626a3067ed6b192a3c581e7c2e244c3c5779fd97a655399c8829fe6a6533440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08979",
    "kind": "arxiv",
    "version": 2
  }
}