Pith Number

pith:G2HYO2JZ

pith:2021:G2HYO2JZA6RLXKVOJIOEBTIJBK

not attested not anchored not stored refs pending

X-rays in Cepheids: XMM-Newton Observations of $\eta$ Aql

Alexandre Gallenne, Antoine M\'erand, Edward Guinan, Hilding Neilson, H. Moritz G\"unther, Ignazio Pillitteri, Jeremy J. Drake, Joyce A. Guzik, Lynn D. Matthews, Massimo Marengo, Nancy Remage Evans, Pierre Kervella, Scott Engle, Scott Wolk, Sofia Moschou, Vincent Hocd\'e

arxiv:2105.13382 v1 · 2021-05-27 · 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{G2HYO2JZA6RLXKVOJIOEBTIJBK}

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	2026-07-05T03:06:28.051682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368f87693907a2bbaaae4a1c40cd090a809f3c7b3f819498f7ef710fd81cd3c7

Aliases

arxiv: 2105.13382 · arxiv_version: 2105.13382v1 · doi: 10.48550/arxiv.2105.13382 · pith_short_12: G2HYO2JZA6RL · pith_short_16: G2HYO2JZA6RLXKVO · pith_short_8: G2HYO2JZ

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/G2HYO2JZA6RLXKVOJIOEBTIJBK \
  | 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: 368f87693907a2bbaaae4a1c40cd090a809f3c7b3f819498f7ef710fd81cd3c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea1de8862ff2a3e407ef09f533253ba1158c440817501d726c525ce20ef28b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-05-27T18:07:10Z",
    "title_canon_sha256": "edea906ad8970e352711981517e30f1f2c8b2a3c4a54a173f57d5541a01337ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13382",
    "kind": "arxiv",
    "version": 1
  }
}