Pith Number

pith:Z4HWX3MB

pith:2013:Z4HWX3MBM7WER5MDWZUNIUPTKR

not attested not anchored not stored refs pending

Orientation of cosmic web filaments with respect to the underlying velocity field

A. Tamm, E. Tempel, L. J. Liivam\"agi, N. I. Libeskind, Y. Hoffman

arxiv:1307.1232 v2 · 2013-07-04 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z4HWX3MBM7WER5MDWZUNIUPTKR}

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	2026-05-18T01:48:59.859416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf0f6bed8167ec48f583b668d451f3544da9973f0b4a90edbab542e3dba5fdc9

Aliases

arxiv: 1307.1232 · arxiv_version: 1307.1232v2 · doi: 10.48550/arxiv.1307.1232 · pith_short_12: Z4HWX3MBM7WE · pith_short_16: Z4HWX3MBM7WER5MD · pith_short_8: Z4HWX3MB

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/Z4HWX3MBM7WER5MDWZUNIUPTKR \
  | 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: cf0f6bed8167ec48f583b668d451f3544da9973f0b4a90edbab542e3dba5fdc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46370486ea4b680e454b55765b6d6ec261fa2260444c2fb67e661c9d92404016",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-04T07:58:59Z",
    "title_canon_sha256": "054dfa1f5a83d879d66e5488aea1ff1489404c9b16f2d9c8eebfe41c760f29e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1232",
    "kind": "arxiv",
    "version": 2
  }
}