Pith Number

pith:6DSWNP3W

pith:2016:6DSWNP3WHLJDWSEWBOCMGGYYUK

not attested not anchored not stored refs pending

Fast and accurate generation method of PSF-based system matrix for PET reconstruction

Dao-Wu Li, Hao-Hui Tang, Juan Gao, Long Wei, Ming-Kai Yun, Mo-Han Li, Pei Chai, Shuang-Quan Liu, Xiao-Li Sun, Zhi-Ming Zhang

arxiv:1607.06170 v1 · 2016-07-21 · 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{6DSWNP3WHLJDWSEWBOCMGGYYUK}

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	2026-05-18T00:45:48.924214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0e566bf763ad23b48960b84c31b18a2883b505793827afb672550204377de13

Aliases

arxiv: 1607.06170 · arxiv_version: 1607.06170v1 · doi: 10.48550/arxiv.1607.06170 · pith_short_12: 6DSWNP3WHLJD · pith_short_16: 6DSWNP3WHLJDWSEW · pith_short_8: 6DSWNP3W

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/6DSWNP3WHLJDWSEWBOCMGGYYUK \
  | 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: f0e566bf763ad23b48960b84c31b18a2883b505793827afb672550204377de13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61c9d002b18162e8ceb5336503c11521192110a7769c39648324f981ddab699f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-07-21T02:07:32Z",
    "title_canon_sha256": "89aad99250a7adfaeb92815923e9f6146c53d45231c981f46d4891e4858e169d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06170",
    "kind": "arxiv",
    "version": 1
  }
}