Pith Number

pith:7TB4XNVP

pith:2026:7TB4XNVP76MPDKKEHDPJWPBGOB

not attested not anchored not stored refs pending

Evidence for elemental diffusion in the eclipsing binary star AI Phoenicis

Andreas J. Korn, Hans-G\"unter Ludwig, Maria Bergemann, Mar\'ilia Carlos, Matthew R. Gent, Nicholas Storm, Nicola J. Miller, Paula Jofr\'e, Pierre F. L. Maxted, Sviatoslav B. Borisov

arxiv:2607.17976 v1 · 2026-07-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TB4XNVP76MPDKKEHDPJWPBGOB}

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	2026-07-21T02:22:09.819361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcc3cbb6afff98f1a94438de9b3c26707813250fa1a00c8026719588b0f88774

Aliases

arxiv: 2607.17976 · arxiv_version: 2607.17976v1 · doi: 10.48550/arxiv.2607.17976 · pith_short_12: 7TB4XNVP76MP · pith_short_16: 7TB4XNVP76MPDKKE · pith_short_8: 7TB4XNVP

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/7TB4XNVP76MPDKKEHDPJWPBGOB \
  | 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: fcc3cbb6afff98f1a94438de9b3c26707813250fa1a00c8026719588b0f88774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c5239f5b00271083424871757f80656c0faec1aef0e63991dce31ae41d4736b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-20T14:13:01Z",
    "title_canon_sha256": "cacf909e28e2af6bfd54e5311a300f1795a41ddb312152d003ee2d82065bca69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17976",
    "kind": "arxiv",
    "version": 1
  }
}