pith. sign in
Pith Number

pith:7EB3S4JR

pith:2015:7EB3S4JRUD7BTWGKRNHS2AOD4E
not attested not anchored not stored refs pending

Radiation from a collapsing object is manifestly unitary

Anshul Saini, Dejan Stojkovic

arxiv:1503.01487 v4 · 2015-03-04 · gr-qc · astro-ph.CO · hep-ph · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7EB3S4JRUD7BTWGKRNHS2AOD4E}

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 2026-05-18T01:31:53.191568Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f903b97131a0fe19d8ca8b4f2d01c3e117e5679c6d20cbbdc15e53110a3ff73e

Aliases

arxiv: 1503.01487 · arxiv_version: 1503.01487v4 · doi: 10.48550/arxiv.1503.01487 · pith_short_12: 7EB3S4JRUD7B · pith_short_16: 7EB3S4JRUD7BTWGK · pith_short_8: 7EB3S4JR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7EB3S4JRUD7BTWGKRNHS2AOD4E \
  | 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: f903b97131a0fe19d8ca8b4f2d01c3e117e5679c6d20cbbdc15e53110a3ff73e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "19b8fd34d00a73d0dd6b708b98ca9170719ef612680842be4657cdefe2296325",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-04T22:34:58Z",
    "title_canon_sha256": "34f05955b66c44ae4c56592ec8d45f58738c8b95617d2450d32c46167ac782ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01487",
    "kind": "arxiv",
    "version": 4
  }
}