Pith Number

pith:Y4FU6ZOD

pith:2026:Y4FU6ZODOOJXV4INI2JJIRFK2H

not attested not anchored not stored refs pending

Opposition effect of comet 28P/Neujmin observed with Subaru Hyper Suprime-Cam

Akira Keida, Fumi Yoshida, Hideyo Kawakita, Hisanori Furusawa, Junko Furusawa, Seitaro Urakawa, Tadafumi Takata, Takafumi Ootsubo, Toshihiro Kasuga, Tsuyoshi Terai, Yoshiharu Shinnaka

arxiv:2608.11082 v1 · 2026-08-11 · 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{Y4FU6ZODOOJXV4INI2JJIRFK2H}

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	2026-08-12T01:24:34.521499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c70b4f65c373937af10d46929444aad1c8776e4c0295e53aae3d6aa258a1bd28

Aliases

arxiv: 2608.11082 · arxiv_version: 2608.11082v1 · doi: 10.48550/arxiv.2608.11082 · pith_short_12: Y4FU6ZODOOJX · pith_short_16: Y4FU6ZODOOJXV4IN · pith_short_8: Y4FU6ZOD

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/Y4FU6ZODOOJXV4INI2JJIRFK2H \
  | 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: c70b4f65c373937af10d46929444aad1c8776e4c0295e53aae3d6aa258a1bd28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dc4c47c069150843db99c5d41fa8912824466fa95e7a0486ad255bbaeeac537",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-08-11T15:47:27Z",
    "title_canon_sha256": "d6fe6d83e12a012c1bce7bf7e37d1d7c03c54b4cd33607c6696cc52b3ac84363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.11082",
    "kind": "arxiv",
    "version": 1
  }
}