Pith Number

pith:E4BS6TW3

pith:2011:E4BS6TW3GMGG4IX26LXV4RTKNY

not attested not anchored not stored refs pending

Four methods for determining the composition of trace radioactive surface contamination of low-radioactivity metal

A.W. Myers, A.W.P. Poon, B.A. VanDevender, B.T. Cleveland, C. Kraus, G. Doucas, H.M. O'Keeffe, I.T. Lawson, K. Rielage, L.C. Stonehill, N.A. Jelley, N. Gagnon, R.C. Rosten, R.G.H. Robertson, S. Majerus, S.R. McGee, T.D. Van Wechel, T.H. Burritt

arxiv:1103.5788 v1 · 2011-03-29 · 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{E4BS6TW3GMGG4IX26LXV4RTKNY}

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	2026-05-18T02:02:43.058252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27032f4edb330c6e22faf2ef5e466a6e32891a1cf3ceb0b4da73dc0347a2a801

Aliases

arxiv: 1103.5788 · arxiv_version: 1103.5788v1 · doi: 10.48550/arxiv.1103.5788 · pith_short_12: E4BS6TW3GMGG · pith_short_16: E4BS6TW3GMGG4IX2 · pith_short_8: E4BS6TW3

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/E4BS6TW3GMGG4IX26LXV4RTKNY \
  | 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: 27032f4edb330c6e22faf2ef5e466a6e32891a1cf3ceb0b4da73dc0347a2a801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2712e82bd9fb5fbf31ae44dedbfa7a38b1873b41bddf3cd4d515313695d526f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2011-03-29T22:48:39Z",
    "title_canon_sha256": "e21d6f9570bb666b8fe33f7da125c7394e4d06147f354268fd07fb576a81158c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5788",
    "kind": "arxiv",
    "version": 1
  }
}