Pith Number

pith:ZKGMRURX

pith:2021:ZKGMRURXYVVRG4AQEEV5J5OHCI

not attested not anchored not stored refs pending

A Search for Planetary Metastable Helium Absorption in the V1298 Tau System

Adam F. Kowalski, Andrew J. Metcalf, Antonija Oklopcic, Arpita Roy, Caleb I. Ca\~nas, Caroline Morley, Christian Schwab, Fei Dai, Gautam Vasisht, Gu{\dh}mundur Stef\'ansson, Heather A. Knutson, Jessica Spake, Joe P. Ninan, John H. Livingston, John Wisniewski, Karen A. Collins, Lawrence W. Ramsey, Leslie Hebb, Marissa Maney, Michael Greklek-McKeon, Paul Robertson, Ryan C. Terrien, Samaporn Tinyanont, Samuel Halverson, Shreyas Vissapragada, Shubham Kanodia, Suvrath Mahadevan, Suzanne L. Hawley, Trevor J. David, William D. Cochran, Yayaati Chachan

arxiv:2108.05358 v1 · 2021-08-11 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZKGMRURXYVVRG4AQEEV5J5OHCI}

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	2026-07-05T03:32:13.571959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca8cc8d237c56b137010212bd4f5c71230a79191016962ad7e64baf633195680

Aliases

arxiv: 2108.05358 · arxiv_version: 2108.05358v1 · doi: 10.48550/arxiv.2108.05358 · pith_short_12: ZKGMRURXYVVR · pith_short_16: ZKGMRURXYVVRG4AQ · pith_short_8: ZKGMRURX

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/ZKGMRURXYVVRG4AQEEV5J5OHCI \
  | 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: ca8cc8d237c56b137010212bd4f5c71230a79191016962ad7e64baf633195680

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f046c6d450b31e636fb0e47ae82b7f210ff8ac35aba3f0aea9e4507fe1831ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-08-11T18:00:01Z",
    "title_canon_sha256": "9bafe906adf0ff0e79b8a7c78d697a43051893d12a1e488ab1f8f976d1163c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05358",
    "kind": "arxiv",
    "version": 1
  }
}