Pith Number

pith:OUUIYOFZ

pith:2021:OUUIYOFZOKYR43YY3LD2FSMZXL

not attested not anchored not stored refs pending

Transfer reactions as a Tool in Nuclear Astrophysics

Fa\"irouz Hammache, Nicolas de S\'er\'eville

arxiv:2107.13228 v1 · 2021-07-28 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUUIYOFZOKYR43YY3LD2FSMZXL}

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	2026-07-05T03:01:28.158557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75288c38b972b11e6f18dac7a2c999baebf7e80c4f5a5696fb8d15ee4a54bd1f

Aliases

arxiv: 2107.13228 · arxiv_version: 2107.13228v1 · doi: 10.48550/arxiv.2107.13228 · pith_short_12: OUUIYOFZOKYR · pith_short_16: OUUIYOFZOKYR43YY · pith_short_8: OUUIYOFZ

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/OUUIYOFZOKYR43YY3LD2FSMZXL \
  | 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: 75288c38b972b11e6f18dac7a2c999baebf7e80c4f5a5696fb8d15ee4a54bd1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b639f09bc6adac1d30e5e79bc2394d2cb8371571917bcc06f3f316a49ee771",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2021-07-28T08:57:41Z",
    "title_canon_sha256": "6f57f0c219b50e11e87e2ea12d0514f3c2ebbdc7c51b22732fa6298a82dccbdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.13228",
    "kind": "arxiv",
    "version": 1
  }
}