pith. sign in
Pith Number

pith:K2BRURCU

pith:2013:K2BRURCUCKTR7TSDHFDLPW4ZHK
not attested not anchored not stored refs pending

Low Background Materials and Assay - A Supplement to the Cosmic Frontier CF1 Summary

E. W. Hoppe, J. Cooley, J. L. Orrell, P. Cushman, R. W. Schnee

arxiv:1311.3311 v2 · 2013-11-13 · hep-ex · physics.ins-det

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K2BRURCUCKTR7TSDHFDLPW4ZHK}

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 2026-05-18T03:07:03.372188Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

56831a445412a71fce433946b7db993aa40f0a3314cbd85c5edf2e5b171c90c4

Aliases

arxiv: 1311.3311 · arxiv_version: 1311.3311v2 · doi: 10.48550/arxiv.1311.3311 · pith_short_12: K2BRURCUCKTR · pith_short_16: K2BRURCUCKTR7TSD · pith_short_8: K2BRURCU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K2BRURCUCKTR7TSDHFDLPW4ZHK \
  | 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: 56831a445412a71fce433946b7db993aa40f0a3314cbd85c5edf2e5b171c90c4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5439775626f672f7529e9d8866dacd4a3e531746294a4fccb3de32186e82c653",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2013-11-13T21:10:17Z",
    "title_canon_sha256": "35a68d489fdc0aa780d1f066f713b982cb5bcca18011a184a570fc3fca5c5337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3311",
    "kind": "arxiv",
    "version": 2
  }
}