Pith Number

pith:LDDS7QV6

pith:2011:LDDS7QV6DJCCIPI5RRN6DRUON2

not attested not anchored not stored refs pending

Exact method for determining subsurface radioactivity depth profiles from gamma spectroscopy measurements

Clinton DeW. Van Siclen

arxiv:1112.3597 v2 · 2011-12-15 · physics.ins-det · physics.med-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{LDDS7QV6DJCCIPI5RRN6DRUON2}

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	2026-05-18T04:06:09.185994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58c72fc2be1a44243d1d8c5be1c68e6e8e33af3f7204255079bfac82b9151921

Aliases

arxiv: 1112.3597 · arxiv_version: 1112.3597v2 · doi: 10.48550/arxiv.1112.3597 · pith_short_12: LDDS7QV6DJCC · pith_short_16: LDDS7QV6DJCCIPI5 · pith_short_8: LDDS7QV6

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/LDDS7QV6DJCCIPI5RRN6DRUON2 \
  | 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: 58c72fc2be1a44243d1d8c5be1c68e6e8e33af3f7204255079bfac82b9151921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2b8720fa7323957a2c15869d1eeb4f08c0b60a251aa974571bb20672e63821",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2011-12-15T18:33:39Z",
    "title_canon_sha256": "1c4fa9d67e0a403b462504a807ab10f1c2e9426103ba7867ce19d9041afe8093"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3597",
    "kind": "arxiv",
    "version": 2
  }
}