Pith Number

pith:VFKAYFLU

pith:2026:VFKAYFLUTDX6NXTQ4IIJ66RRK3

not attested not anchored not stored refs pending

Towards optimal photometric calibration of digital astronomical plates with deep learning

Bowen Huang, Haibo Yuan, Jianhai Zhao, Kai Xiao, Lin Yang, Meiting Yang, Mingyang Ma, Shiyin Shen, Yong Yu, Zhenghong Tang, Zhengjun Shang

arxiv:2608.01391 v1 · 2026-08-02 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VFKAYFLUTDX6NXTQ4IIJ66RRK3}

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	2026-08-04T02:04:56.213099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9540c157498efe6de70e2109f7a3156d0a440b4a61ce64be8502c1b58878628

Aliases

arxiv: 2608.01391 · arxiv_version: 2608.01391v1 · doi: 10.48550/arxiv.2608.01391 · pith_short_12: VFKAYFLUTDX6 · pith_short_16: VFKAYFLUTDX6NXTQ · pith_short_8: VFKAYFLU

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/VFKAYFLUTDX6NXTQ4IIJ66RRK3 \
  | 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: a9540c157498efe6de70e2109f7a3156d0a440b4a61ce64be8502c1b58878628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54e8629a4b97c84f55e31738172ddc5a184c2b5e206f4695a686fdaac19970b5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-08-02T17:16:15Z",
    "title_canon_sha256": "29797bb224207b43f901e6bf0aa65429c3e2f98182c4b1ed7b0be23b5f02fa3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.01391",
    "kind": "arxiv",
    "version": 1
  }
}