Pith Number

pith:THMPPHPB

pith:2020:THMPPHPBEFHGHGFGSLX7GCH476

not attested not anchored not stored refs pending

A list-mode OSEM-based attenuation and scatter compensation method for SPECT

Abhinav K. Jha, Md Ashequr Rahman, Richard Laforest

arxiv:2002.12471 v1 · 2020-02-27 · 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{THMPPHPBEFHGHGFGSLX7GCH476}

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	2026-07-05T00:44:30.426388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99d8f79de1214e6398a692eff308fcffb7b1bb04e37c50c3d0ead0cbb26da4d5

Aliases

arxiv: 2002.12471 · arxiv_version: 2002.12471v1 · doi: 10.48550/arxiv.2002.12471 · pith_short_12: THMPPHPBEFHG · pith_short_16: THMPPHPBEFHGHGFG · pith_short_8: THMPPHPB

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/THMPPHPBEFHGHGFGSLX7GCH476 \
  | 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: 99d8f79de1214e6398a692eff308fcffb7b1bb04e37c50c3d0ead0cbb26da4d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8ff401974caaa2918b5fca619baa3fb78104b23e606d7b81705f076667d429",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2020-02-27T22:46:33Z",
    "title_canon_sha256": "0fcaa1aefc0590c3ea5c8d06eac4a5e54961b03ed2547a60b12ef96d1375d3cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12471",
    "kind": "arxiv",
    "version": 1
  }
}