Pith Number

pith:7A3BPJ35

pith:2015:7A3BPJ35LSO36SWV57L7DTV7H4

not attested not anchored not stored refs pending

Activation Products from Copper and Steel Samples Exposed to Showers Produced by 8 GeV Protons Lost in the Fermilab Main Injector Collimation System

Bruce C. Brown, Nikolai V. Mokhov, Vitaly S. Pronskikh (Fermilab)

arxiv:1502.01626 v1 · 2015-02-05 · physics.acc-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{7A3BPJ35LSO36SWV57L7DTV7H4}

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	2026-05-18T02:27:51.667193Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83617a77d5c9dbf4ad5efd7f1cebf3f36298651e4ccd6a32224fa81682327df

Aliases

arxiv: 1502.01626 · arxiv_version: 1502.01626v1 · doi: 10.48550/arxiv.1502.01626 · pith_short_12: 7A3BPJ35LSO3 · pith_short_16: 7A3BPJ35LSO36SWV · pith_short_8: 7A3BPJ35

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/7A3BPJ35LSO36SWV57L7DTV7H4 \
  | 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: f83617a77d5c9dbf4ad5efd7f1cebf3f36298651e4ccd6a32224fa81682327df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089b07dce03ac17a0b117acaf24f5d06a9cf06602719e07593813b8725eaad22",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2015-02-05T16:28:26Z",
    "title_canon_sha256": "72981a1b04e3ac976a1a0b405ebb201918221997e34953d384487a1dfd3d8160"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01626",
    "kind": "arxiv",
    "version": 1
  }
}