Pith Number

pith:P4DT2BVH

pith:2018:P4DT2BVH75AUVGVTMWTF4OPWI6

not attested not anchored not stored refs pending

Robust Cross-correlation-based Measurement of Clump Sizes in Galaxies

Danail Obreschkow, David B. Fisher, Ivana Damjanov, Kamran Ali, Karl Glazebrook, Robert Bassett, Roberto G. Abraham

arxiv:1801.02776 v1 · 2018-01-09 · 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{P4DT2BVH75AUVGVTMWTF4OPWI6}

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	2026-05-18T00:26:22.495706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f073d06a7ff414a9ab365a65e39f64796a09c1afa4b6042ccbe5cd0bb2058ba

Aliases

arxiv: 1801.02776 · arxiv_version: 1801.02776v1 · doi: 10.48550/arxiv.1801.02776 · pith_short_12: P4DT2BVH75AU · pith_short_16: P4DT2BVH75AUVGVT · pith_short_8: P4DT2BVH

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/P4DT2BVH75AUVGVTMWTF4OPWI6 \
  | 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: 7f073d06a7ff414a9ab365a65e39f64796a09c1afa4b6042ccbe5cd0bb2058ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de0dc3f0f438a835cc57651fe69ebe4989988c0255cb804302f53948b48844b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-09T03:25:59Z",
    "title_canon_sha256": "28191a83fe99f59641c6ce15da1ce2a6da131fea5e150cd5b40907f20f51bcfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02776",
    "kind": "arxiv",
    "version": 1
  }
}