Pith Number

pith:62UHCZRQ

pith:2018:62UHCZRQLTAVWE3GJHHK663XSM

not attested not anchored not stored refs pending

Black disk radius constrained by unitarity

A.D. Martin, M.G. Ryskin, V.A. Khoze

arxiv:1809.10406 v2 · 2018-09-27 · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{62UHCZRQLTAVWE3GJHHK663XSM}

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	2026-05-17T23:59:57.633885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6a87166305cc15b136649ceaf7b77930e7d74831962cea89bf5361bef32c04d

Aliases

arxiv: 1809.10406 · arxiv_version: 1809.10406v2 · doi: 10.48550/arxiv.1809.10406 · pith_short_12: 62UHCZRQLTAV · pith_short_16: 62UHCZRQLTAVWE3G · pith_short_8: 62UHCZRQ

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/62UHCZRQLTAVWE3GJHHK663XSM \
  | 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: f6a87166305cc15b136649ceaf7b77930e7d74831962cea89bf5361bef32c04d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f871ee0e9839dc330e0e734285eaf9f2ae62b6fe8ccddbc299f9fda2ca20f3d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-09-27T08:41:49Z",
    "title_canon_sha256": "1409713e4ee38aa3ced0693d6ebc394d2d3baec57ce0418606ad44c9c02eb9bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10406",
    "kind": "arxiv",
    "version": 2
  }
}