Pith Number

pith:UUXYCQ3M

pith:2010:UUXYCQ3M2SWISGJHQM5WMZ27DE

not attested not anchored not stored refs pending

Quantum method of determination of penetrability in FRW model with radiation

Sergei P. Maydanyuk

arxiv:1004.5337 v2 · 2010-04-29 · gr-qc · astro-ph.CO · 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{UUXYCQ3M2SWISGJHQM5WMZ27DE}

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	2026-05-18T02:24:14.961943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a52f81436cd4ac891927833b66675f191e5541b262a7833b019649bfa92ff2bf

Aliases

arxiv: 1004.5337 · arxiv_version: 1004.5337v2 · doi: 10.48550/arxiv.1004.5337 · pith_short_12: UUXYCQ3M2SWI · pith_short_16: UUXYCQ3M2SWISGJH · pith_short_8: UUXYCQ3M

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/UUXYCQ3M2SWISGJHQM5WMZ27DE \
  | 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: a52f81436cd4ac891927833b66675f191e5541b262a7833b019649bfa92ff2bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f0d32c2878d1ce3bdcb84a7548eefa56d50fee940d969d9fef40f58d7b2789",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-04-29T16:38:19Z",
    "title_canon_sha256": "49393477d84ff42a5877cdffed22182a1da373e5110d153ab82633d9adc932b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5337",
    "kind": "arxiv",
    "version": 2
  }
}