Pith Number

pith:EPPTK2BD

pith:2025:EPPTK2BDQTC6DXC5YRPPFAYTHI

not attested not anchored not stored refs pending

A Quasi-Optimal Stacking Method for Up-the-Ramp Readout Images

Chengqi Liu, Chun Lin, Guanghuan Wang, Hu Zhan, WenLong Fan, Yanfeng Wei, Youhua Xu, Zun Luo

arxiv:2501.08732 v1 · 2025-01-15 · 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{EPPTK2BDQTC6DXC5YRPPFAYTHI}

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	2026-07-05T10:01:25.259114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23df35682384c5e1dc5dc45ef283133a17e8a7c5b3d081bffa208bb4846409bc

Aliases

arxiv: 2501.08732 · arxiv_version: 2501.08732v1 · doi: 10.48550/arxiv.2501.08732 · pith_short_12: EPPTK2BDQTC6 · pith_short_16: EPPTK2BDQTC6DXC5 · pith_short_8: EPPTK2BD

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/EPPTK2BDQTC6DXC5YRPPFAYTHI \
  | 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: 23df35682384c5e1dc5dc45ef283133a17e8a7c5b3d081bffa208bb4846409bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ea6bb91d637b9281ef26ab3e545c60642104a397fdf28fa9d03af246a7c1497",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-01-15T11:20:37Z",
    "title_canon_sha256": "43fb4ae82d0e1698a381eb64d65285f2c8d042d83fa10896174643334ca8cdc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08732",
    "kind": "arxiv",
    "version": 1
  }
}