Pith Number

pith:UVWDY3LD

pith:2017:UVWDY3LDO7BGO6KWYXV7RM6S4E

not attested not anchored not stored refs pending

Medical image reconstruction: a brief overview of past milestones and future directions

Jeffrey A. Fessler

arxiv:1707.05927 v1 · 2017-07-19 · 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{UVWDY3LDO7BGO6KWYXV7RM6S4E}

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	2026-05-18T00:39:58.930721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a56c3c6d6377c2677956c5ebf8b3d2e13b8f75feb2fce204fa69f75b89c28670

Aliases

arxiv: 1707.05927 · arxiv_version: 1707.05927v1 · doi: 10.48550/arxiv.1707.05927 · pith_short_12: UVWDY3LDO7BG · pith_short_16: UVWDY3LDO7BGO6KW · pith_short_8: UVWDY3LD

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/UVWDY3LDO7BGO6KWYXV7RM6S4E \
  | 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: a56c3c6d6377c2677956c5ebf8b3d2e13b8f75feb2fce204fa69f75b89c28670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913c645a4427bb7ad8698f7eb2c0263e4b4f3b515fd0f7f76abbbcb176011ff8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-07-19T03:12:36Z",
    "title_canon_sha256": "01cd042efb3f7389349626f85bf6259f5cddbd8f5ddb5ca12dafb2494b13b367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05927",
    "kind": "arxiv",
    "version": 1
  }
}