Pith Number

pith:75UVMY36

pith:2020:75UVMY36C72KKZDHA6BGSHJF5R

not attested not anchored not stored refs pending

On the Feynman-alpha Method for Reflected Fissile Assemblies

George E. McKenzie, Jesson D. Hutchinson, Michael Y. Hua, Sara A. Pozzi, Shaun D. Clarke

arxiv:2010.11768 v4 · 2020-10-22 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75UVMY36C72KKZDHA6BGSHJF5R}

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	2026-07-05T01:48:13.772553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff6956637e17f4a564670782691d25ec7685c3b6f023e108432f504769e219d9

Aliases

arxiv: 2010.11768 · arxiv_version: 2010.11768v4 · doi: 10.48550/arxiv.2010.11768 · pith_short_12: 75UVMY36C72K · pith_short_16: 75UVMY36C72KKZDH · pith_short_8: 75UVMY36

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/75UVMY36C72KKZDHA6BGSHJF5R \
  | 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: ff6956637e17f4a564670782691d25ec7685c3b6f023e108432f504769e219d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a85ef5efde9900b44c071d4e596f252b6aaf1e73ab26469f8d82395bf2060e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2020-10-22T14:42:16Z",
    "title_canon_sha256": "b4b97bc7d4493a48e282969ffac04705107673f8b047bb8a0593fa670d4c64b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.11768",
    "kind": "arxiv",
    "version": 4
  }
}