Pith Number

pith:H4KQWR2Z

pith:2018:H4KQWR2ZJI2RERFA5FKTT3PKED

not attested not anchored not stored refs pending

A Proof-of-principle for Time-Of-Flight Positron Emission Tomography Imaging

Mehulkumar Shiroya, Mitali Mondal, Rajesh Ganai, Shaifali Mehta, Subhasis Chattopadhyay, Zubayer Ahammed

arxiv:1806.11188 v1 · 2018-06-27 · physics.ins-det · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4KQWR2ZJI2RERFA5FKTT3PKED}

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	2026-05-18T00:12:03.358187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f150b47594a351244a0e95539edea20da6735dbc0349dc7b40ca079a76b16b1

Aliases

arxiv: 1806.11188 · arxiv_version: 1806.11188v1 · doi: 10.48550/arxiv.1806.11188 · pith_short_12: H4KQWR2ZJI2R · pith_short_16: H4KQWR2ZJI2RERFA · pith_short_8: H4KQWR2Z

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/H4KQWR2ZJI2RERFA5FKTT3PKED \
  | 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: 3f150b47594a351244a0e95539edea20da6735dbc0349dc7b40ca079a76b16b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7485e81f5ed50d0730c1c0243f8e3ecc899d0397d6d36ae7ba9624df1b749fe4",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2018-06-27T12:40:14Z",
    "title_canon_sha256": "530135605483cb6d58a693f33e461cbdfa7538151c29c566b3a6d2ce7436d4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11188",
    "kind": "arxiv",
    "version": 1
  }
}