Pith Number

pith:HF5WTH4P

pith:2017:HF5WTH4PUA4RAOR5XU2BLS4JGL

not attested not anchored not stored refs pending

Comparing PyMorph and SDSS photometry. I. Background sky and model fitting effects

A. Meert, J.-L. Fischer, M. Bernardi

arxiv:1702.08526 v1 · 2017-02-27 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HF5WTH4PUA4RAOR5XU2BLS4JGL}

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	2026-05-18T00:49:48.485606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

397b699f8fa039103a3dbd3415cb8932f884f85185efae9e0c4360a72ae3bb11

Aliases

arxiv: 1702.08526 · arxiv_version: 1702.08526v1 · doi: 10.48550/arxiv.1702.08526 · pith_short_12: HF5WTH4PUA4R · pith_short_16: HF5WTH4PUA4RAOR5 · pith_short_8: HF5WTH4P

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/HF5WTH4PUA4RAOR5XU2BLS4JGL \
  | 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: 397b699f8fa039103a3dbd3415cb8932f884f85185efae9e0c4360a72ae3bb11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35e27aae9830caf16fb62bf034df29f2721185b3c1c882d1bd87bc154de679dd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-27T21:00:12Z",
    "title_canon_sha256": "45ead8d715d5942ada8a88a33e0878d16a0a60f7e73f7967e9f5f84780d00109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.08526",
    "kind": "arxiv",
    "version": 1
  }
}