Pith Number

pith:JCQ7SR2U

pith:2015:JCQ7SR2U4J2TUEDPH2CY36BG4V

not attested not anchored not stored refs pending

An R-matrix package for coupled-channel problems in nuclear physics

P. Descouvemont

arxiv:1510.03540 v1 · 2015-10-13 · nucl-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{JCQ7SR2U4J2TUEDPH2CY36BG4V}

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	2026-05-18T01:20:42.411895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48a1f94754e2753a106f3e858df826e54f8512a157dbb34deca6364f22ec81e8

Aliases

arxiv: 1510.03540 · arxiv_version: 1510.03540v1 · doi: 10.48550/arxiv.1510.03540 · pith_short_12: JCQ7SR2U4J2T · pith_short_16: JCQ7SR2U4J2TUEDP · pith_short_8: JCQ7SR2U

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/JCQ7SR2U4J2TUEDPH2CY36BG4V \
  | 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: 48a1f94754e2753a106f3e858df826e54f8512a157dbb34deca6364f22ec81e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "648988f9f1c401bb8f13f59dcb399692a89ef0baac3277dea96ba181e4804b74",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2015-10-13T06:02:28Z",
    "title_canon_sha256": "87904cf4567bac7e7dfd8390f5a2589e206234d1ca97eff3e513f75ca7305673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03540",
    "kind": "arxiv",
    "version": 1
  }
}