Pith Number

pith:E2RD2JZI

pith:2019:E2RD2JZIAOCOR2KG5U23NTU5N4

not attested not anchored not stored refs pending

Positron Annihilation Lifetime Spectroscopy Using Fast Scintillators and Digital Electronics

Angela Di Fulvio, Ming Fang, Nathan Bartholomew

arxiv:1908.04434 v1 · 2019-08-12 · physics.ins-det · nucl-ex · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2RD2JZIAOCOR2KG5U23NTU5N4}

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	2026-07-04T23:55:13.717575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26a23d27280384e8e946ed35b6ce9d6f0d297f857a614ec3f54e434816894a26

Aliases

arxiv: 1908.04434 · arxiv_version: 1908.04434v1 · doi: 10.48550/arxiv.1908.04434 · pith_short_12: E2RD2JZIAOCO · pith_short_16: E2RD2JZIAOCOR2KG · pith_short_8: E2RD2JZI

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/E2RD2JZIAOCOR2KG5U23NTU5N4 \
  | 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: 26a23d27280384e8e946ed35b6ce9d6f0d297f857a614ec3f54e434816894a26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e48dce79de1284816787b117e949869af4ffc9b79a413ab68c61a0aea59f25",
    "cross_cats_sorted": [
      "nucl-ex",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2019-08-12T23:16:13Z",
    "title_canon_sha256": "eb88fad2600069022cb19d8c8d5dd2e6d1db6782076a8f5301a237bd833c9c52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04434",
    "kind": "arxiv",
    "version": 1
  }
}