Pith Number

pith:SMAJBZ75

pith:1999:SMAJBZ75HF6GTDS5PMNILUDZHB

not attested not anchored not stored refs pending

The Transparency of 12C for Protons

G. van der Steenhoven, L. Frankfurt, L. Lapikas, M. Strikman, M. Zhalov

arxiv:nucl-ex/9905009 v2 · 1999-05-27 · nucl-ex · 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{SMAJBZ75HF6GTDS5PMNILUDZHB}

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	2026-05-18T04:33:18.398327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

930090e7fd397c698e5d7b1a85d079385045f0c52ce3a3a679629cb9d46f7f59

Aliases

arxiv: nucl-ex/9905009 · arxiv_version: nucl-ex/9905009v2 · doi: 10.48550/arxiv.nucl-ex/9905009 · pith_short_12: SMAJBZ75HF6G · pith_short_16: SMAJBZ75HF6GTDS5 · pith_short_8: SMAJBZ75

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/SMAJBZ75HF6GTDS5PMNILUDZHB \
  | 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: 930090e7fd397c698e5d7b1a85d079385045f0c52ce3a3a679629cb9d46f7f59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68b2d48cfa8864a8f3a3e6d3df2a930053aa1f6b3bbb2515544847732facf912",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "",
    "primary_cat": "nucl-ex",
    "submitted_at": "1999-05-27T15:48:11Z",
    "title_canon_sha256": "cf7a9f0db14f852e61117df6b2158e9db7a42d57fe4a11d0a4fbd203efead7b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nucl-ex/9905009",
    "kind": "arxiv",
    "version": 2
  }
}