Pith Number

pith:7YDNAVLC

pith:2009:7YDNAVLCCUWVR5PODKXFN7BOF4

not attested not anchored not stored refs pending

HFODD (v2.40h) User's Guide

A. Staszczak, B.G. Carlsson, H. Zdu\'nczuk, J. Dobaczewski, J. Dudek, J. Engel, J. Sarich, M. Sadziak, M. Stoitsov, M. Zalewski, N. Schunck, P. Olbratowski, P. Powa{\l}owski, W. Satu{\l}a

arxiv:0909.3626 v1 · 2009-09-20 · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7YDNAVLCCUWVR5PODKXFN7BOF4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T04:13:07.177232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe06d05562152d58f5ee1aae56fc2e2f12f2165af52b39b9264743919abfcc14

Aliases

arxiv: 0909.3626 · arxiv_version: 0909.3626v1 · doi: 10.48550/arxiv.0909.3626 · pith_short_12: 7YDNAVLCCUWV · pith_short_16: 7YDNAVLCCUWVR5PO · pith_short_8: 7YDNAVLC

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/7YDNAVLCCUWVR5PODKXFN7BOF4 \
  | 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: fe06d05562152d58f5ee1aae56fc2e2f12f2165af52b39b9264743919abfcc14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ee646bd6e4f272e8a4735380db4d2a735d35082d7b2cac36dd745d4f66ca5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2009-09-20T10:17:23Z",
    "title_canon_sha256": "a59fbc0429b8852eaccc8b15b57466516539acf2b9fbd597c229c61d2db51776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3626",
    "kind": "arxiv",
    "version": 1
  }
}