Pith Number

pith:QBFIMAOD

pith:2015:QBFIMAODSEL73ID72BPSV542Q3

not attested not anchored not stored refs pending

Spherical collapse of small masses in the ghost-free gravity

Andrei Zelnikov, Tiberio de Paula Netto, Valeri P. Frolov

arxiv:1504.00412 v2 · 2015-04-01 · 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{QBFIMAODSEL73ID72BPSV542Q3}

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	2026-05-18T02:03:54.669739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804a8601c39117fda07fd05f2af79a86c9e12f7b9b01f129b73b695054b31fe9

Aliases

arxiv: 1504.00412 · arxiv_version: 1504.00412v2 · doi: 10.48550/arxiv.1504.00412 · pith_short_12: QBFIMAODSEL7 · pith_short_16: QBFIMAODSEL73ID7 · pith_short_8: QBFIMAOD

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/QBFIMAODSEL73ID72BPSV542Q3 \
  | 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: 804a8601c39117fda07fd05f2af79a86c9e12f7b9b01f129b73b695054b31fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3af14ef5d0b5d85f6737760f76d7b502ca2c7fcb522242ecd8c05c180f130e11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-04-01T23:10:19Z",
    "title_canon_sha256": "72361f21c4e941d1658cf22fb30aabfda7f676ca3e23d8b0563d3e4b7f6a90f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00412",
    "kind": "arxiv",
    "version": 2
  }
}