Pith Number

pith:ODG6WDGJ

pith:2022:ODG6WDGJEZI36DVZW23V5YQ6PO

not attested not anchored not stored refs pending

What Does FEXI Measure?

Alejandra Sierra, Jussi Tohka, Marco Reisert, Mohammad Khateri, Valerij G. Kiselev

arxiv:2202.00496 v2 · 2022-02-01 · physics.med-ph · physics.bio-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{ODG6WDGJEZI36DVZW23V5YQ6PO}

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	2026-07-05T04:56:14.356644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70cdeb0cc92651bf0eb9b6b75ee21e7bb39cfbc3a8931accdc2532a4bc50ccf8

Aliases

arxiv: 2202.00496 · arxiv_version: 2202.00496v2 · doi: 10.48550/arxiv.2202.00496 · pith_short_12: ODG6WDGJEZI3 · pith_short_16: ODG6WDGJEZI36DVZ · pith_short_8: ODG6WDGJ

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/ODG6WDGJEZI36DVZW23V5YQ6PO \
  | 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: 70cdeb0cc92651bf0eb9b6b75ee21e7bb39cfbc3a8931accdc2532a4bc50ccf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f77a1f456ca23c32d9d0366904d971f3a84f63b334f54c2fb396103fca8412ae",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-02-01T15:46:39Z",
    "title_canon_sha256": "1844362381466dd6f7dafebd3cdb9acd568fc78d7cb4bb47479718006bb030d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.00496",
    "kind": "arxiv",
    "version": 2
  }
}