Pith Number

pith:HXUVLP3F

pith:2021:HXUVLP3F3HLGQXSYC77XLC4Y3H

not attested not anchored not stored refs pending

Using Mutual Information to measure Time-lags from non-linear processes in Astronomy

Nachiketa Chakraborty, Peter Jan van Leeuwen

arxiv:2106.08623 v1 · 2021-06-16 · astro-ph.IM · astro-ph.HE · 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{HXUVLP3F3HLGQXSYC77XLC4Y3H}

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	2026-07-05T02:50:00.021678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3de955bf65d9d6685e5817ff758b98d9c54757084d545cc50755467b919028e7

Aliases

arxiv: 2106.08623 · arxiv_version: 2106.08623v1 · doi: 10.48550/arxiv.2106.08623 · pith_short_12: HXUVLP3F3HLG · pith_short_16: HXUVLP3F3HLGQXSY · pith_short_8: HXUVLP3F

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/HXUVLP3F3HLGQXSYC77XLC4Y3H \
  | 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: 3de955bf65d9d6685e5817ff758b98d9c54757084d545cc50755467b919028e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ff2a612ad88a5a58d25c8d2f057f862bc11fc3a37274c218c3d32b07ed4380",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-06-16T08:28:23Z",
    "title_canon_sha256": "0bd622b1b2635de7b7fa169228aa0d229455eccfac21fdd182039bec54aa56c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08623",
    "kind": "arxiv",
    "version": 1
  }
}