Pith Number

pith:UE33HNFY

pith:2020:UE33HNFY4BVXIWEFYY5YLWO33W

not attested not anchored not stored refs pending

Application of a helicity proxy to edge-on galaxies

Axel Brandenburg, Ray S. Furuya

arxiv:2003.07284 v4 · 2020-03-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UE33HNFY4BVXIWEFYY5YLWO33W}

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	2026-07-05T01:20:55.443577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a137b3b4b8e06b745885c63b85d9dbddb6daf5b98c760923cfd7a57e16ca58b5

Aliases

arxiv: 2003.07284 · arxiv_version: 2003.07284v4 · doi: 10.48550/arxiv.2003.07284 · pith_short_12: UE33HNFY4BVX · pith_short_16: UE33HNFY4BVXIWEF · pith_short_8: UE33HNFY

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/UE33HNFY4BVXIWEFYY5YLWO33W \
  | 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: a137b3b4b8e06b745885c63b85d9dbddb6daf5b98c760923cfd7a57e16ca58b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c58ce2c57c89c4845e9e89b31a6f4f5959c72dca4b45fe309da7d8d19280123",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-03-16T15:43:23Z",
    "title_canon_sha256": "94882d5352567438703a37c9fba7fd8691d9ee189e2b6e34b54420cc0496c80a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.07284",
    "kind": "arxiv",
    "version": 4
  }
}