Pith Number

pith:7P56ZFPG

pith:2013:7P56ZFPGEPUUSVP455D5WOTQJQ

not attested not anchored not stored refs pending

Comparison of volume-selective z-shim and conventional EPI in fMRI studies using face stimuli

Hu Cheng, Rena Fukunaga, Srikanth Padmala

arxiv:1307.4045 v2 · 2013-07-15 · 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{7P56ZFPGEPUUSVP455D5WOTQJQ}

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	2026-05-18T03:18:19.721942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbfbec95e623e94955fcef47db3a704c3b7d0f5840f4e28e99cb6593f66fae7c

Aliases

arxiv: 1307.4045 · arxiv_version: 1307.4045v2 · doi: 10.48550/arxiv.1307.4045 · pith_short_12: 7P56ZFPGEPUU · pith_short_16: 7P56ZFPGEPUUSVP4 · pith_short_8: 7P56ZFPG

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/7P56ZFPGEPUUSVP455D5WOTQJQ \
  | 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: fbfbec95e623e94955fcef47db3a704c3b7d0f5840f4e28e99cb6593f66fae7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dceb19cfbabb5817b7c2363d42c42d1857912df41ae194ac0cfacbbbda591020",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2013-07-15T18:32:25Z",
    "title_canon_sha256": "8a12a165f7c62e7d28694cc2686aa8184bd8c77cc2650b1c65f102de054bfcf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4045",
    "kind": "arxiv",
    "version": 2
  }
}