Pith Number

pith:72FXNK3C

pith:2010:72FXNK3CW2OZ56NB2H7SLPZUZI

not attested not anchored not stored refs pending

Hard X-ray and Gamma-Ray Detectors

David M. Smith

arxiv:1010.4069 v1 · 2010-10-19 · astro-ph.IM · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72FXNK3CW2OZ56NB2H7SLPZUZI}

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	2026-05-18T04:38:59.869136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe8b76ab62b69d9ef9a1d1ff25bf34ca0650ef6823585a6f852b49c833e8dd72

Aliases

arxiv: 1010.4069 · arxiv_version: 1010.4069v1 · doi: 10.48550/arxiv.1010.4069 · pith_short_12: 72FXNK3CW2OZ · pith_short_16: 72FXNK3CW2OZ56NB · pith_short_8: 72FXNK3C

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/72FXNK3CW2OZ56NB2H7SLPZUZI \
  | 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: fe8b76ab62b69d9ef9a1d1ff25bf34ca0650ef6823585a6f852b49c833e8dd72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d66fef5edcf9adc01b86a44aca2f7281ed669f2a4269f31e2e0142bb5ab38e0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-10-19T22:58:01Z",
    "title_canon_sha256": "078fa254c52b151276d028c34d97bd56fb2a07dbfdeebbcbcadb268b75ecf22c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4069",
    "kind": "arxiv",
    "version": 1
  }
}