Pith Number

pith:3FQCKLO5

pith:2014:3FQCKLO5I3V4WOO2XRDL2KMI2J

not attested not anchored not stored refs pending

Voxel-level mapping of tracer kinetics in PET studies: A statistical approach emphasizing tissue life tables

Alexander M. Spence, David A. Mankoff, Finbarr O'Sullivan, Janet F. Eary, Kenneth A. Krohn, Mark Muzi

arxiv:1407.8402 v1 · 2014-07-31 · stat.AP · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FQCKLO5I3V4WOO2XRDL2KMI2J}

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	2026-05-18T02:46:05.199461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d960252ddd46ebcb39dabc46bd2988d257d336ad7f7f241ac40300fa6e0bc505

Aliases

arxiv: 1407.8402 · arxiv_version: 1407.8402v1 · doi: 10.48550/arxiv.1407.8402 · pith_short_12: 3FQCKLO5I3V4 · pith_short_16: 3FQCKLO5I3V4WOO2 · pith_short_8: 3FQCKLO5

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/3FQCKLO5I3V4WOO2XRDL2KMI2J \
  | 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: d960252ddd46ebcb39dabc46bd2988d257d336ad7f7f241ac40300fa6e0bc505

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0a96d283a39dc107682e37435c9169ef9b37f7e7e8690b97391a4d79b53ca25",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2014-07-31T13:17:08Z",
    "title_canon_sha256": "ee504f026c5c61cc6f00cb13361c54ca3b58ecfccaa6a66026ed847fdf974e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8402",
    "kind": "arxiv",
    "version": 1
  }
}