Pith Number

pith:AS73HJC5

pith:2023:AS73HJC5D2PYVFGUQBBWU6VTLA

not attested not anchored not stored refs pending

Gnuastro: Estimating the Zero Point Magnitude in Astronomical Imaging

Elham Saremi, Giulia Golini, Johan H. Knapen, Mohammad Akhlaghi, Ra\'ul Infante-Sainz, Samane Raji, Sepideh Eskandarlou, Zahra Sharbaf, Zohreh Ghaffari

arxiv:2312.04263 v1 · 2023-12-07 · 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{AS73HJC5D2PYVFGUQBBWU6VTLA}

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	2026-07-05T07:21:32.098052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04bfb3a45d1e9f8a94d480436a7ab35836ba07d42f890dff0eb724adf2171d01

Aliases

arxiv: 2312.04263 · arxiv_version: 2312.04263v1 · doi: 10.48550/arxiv.2312.04263 · pith_short_12: AS73HJC5D2PY · pith_short_16: AS73HJC5D2PYVFGU · pith_short_8: AS73HJC5

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/AS73HJC5D2PYVFGUQBBWU6VTLA \
  | 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: 04bfb3a45d1e9f8a94d480436a7ab35836ba07d42f890dff0eb724adf2171d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94cfeb03dc28de0ba37d7b9c0de41cc8eed1fe761de5da21f1ebd3c69313053e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-12-07T12:40:32Z",
    "title_canon_sha256": "b7ec9156f73187d2a5f7fddf74caf7769852cc2435a8bdb3843a13e3996bcf5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.04263",
    "kind": "arxiv",
    "version": 1
  }
}