Pith Number

pith:JM5SUG5Q

pith:2009:JM5SUG5QEJ4QNE4XLRANYGJGHV

not attested not anchored not stored refs pending

Non singular bounce in modified gravity

Ivan Yasuda, L. Raul Abramo, Patrick Peter

arxiv:0910.3422 v1 · 2009-10-18 · 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{JM5SUG5QEJ4QNE4XLRANYGJGHV}

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	2026-07-04T17:25:05.087773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3b2a1bb022790693975c40dc19263d55a36891fd50d05b029ea627b87ef49a

Aliases

arxiv: 0910.3422 · arxiv_version: 0910.3422v1 · doi: 10.48550/arxiv.0910.3422 · pith_short_12: JM5SUG5QEJ4Q · pith_short_16: JM5SUG5QEJ4QNE4X · pith_short_8: JM5SUG5Q

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/JM5SUG5QEJ4QNE4XLRANYGJGHV \
  | 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: 4b3b2a1bb022790693975c40dc19263d55a36891fd50d05b029ea627b87ef49a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21e2307e3af91ce4927ac843b5f85edbc63ef05073a38ed9b7e12e1318105183",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-10-18T21:23:08Z",
    "title_canon_sha256": "2e22a2916f0e6936274f0458d8b25f2e3a6a127406f739731fca9e665d9cb6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3422",
    "kind": "arxiv",
    "version": 1
  }
}