Pith Number

pith:7GQZAIFP

pith:2026:7GQZAIFPV7YJIQ6BTNCPRF2YR6

not attested not anchored not stored refs pending

Asymmetric, variable H$\alpha$ line profile in planetary mass object SR 12 c

Jun Hashimoto, Michihiro Takami, Shinsuke Takasao, Yuhiko Aoyama

arxiv:2607.28924 v1 · 2026-07-31 · astro-ph.EP · 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{7GQZAIFPV7YJIQ6BTNCPRF2YR6}

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	2026-08-03T01:17:30.790130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a19020afaff09443c19b44f897588f859d8c69c803fa316a3bbbdf95560a25

Aliases

arxiv: 2607.28924 · arxiv_version: 2607.28924v1 · doi: 10.48550/arxiv.2607.28924 · pith_short_12: 7GQZAIFPV7YJ · pith_short_16: 7GQZAIFPV7YJIQ6B · pith_short_8: 7GQZAIFP

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/7GQZAIFPV7YJIQ6BTNCPRF2YR6 \
  | 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: f9a19020afaff09443c19b44f897588f859d8c69c803fa316a3bbbdf95560a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1420b7a642394e8de420e1282db7cb97b2ff73a0ae50a5cb293202adfd1fab3a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-07-31T00:59:38Z",
    "title_canon_sha256": "738a122ad8c1a4295981c03d7d194f2a76b1593253acf4045b807c654ac9e610"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28924",
    "kind": "arxiv",
    "version": 1
  }
}