Pith Number

pith:GFUN5BWX

pith:2022:GFUN5BWX2IYSDXX7KFIRMGYMLA

not attested not anchored not stored refs pending

Photometric Redshifts for Next-Generation Surveys

Daniel Gruen, Jeffrey A. Newman

arxiv:2206.13633 v1 · 2022-06-27 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFUN5BWX2IYSDXX7KFIRMGYMLA}

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.

Cited by

1 paper in Pith

Machine Learning Techniques for Astrophysics and Cosmology: Photometric Redshifts

Receipt and verification

First computed	2026-07-05T05:10:56.772749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3168de86d7d23121deff5151161b0c582a7644a138068a1d75861fec228239d4

Aliases

arxiv: 2206.13633 · arxiv_version: 2206.13633v1 · doi: 10.48550/arxiv.2206.13633 · pith_short_12: GFUN5BWX2IYS · pith_short_16: GFUN5BWX2IYSDXX7 · pith_short_8: GFUN5BWX

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/GFUN5BWX2IYSDXX7KFIRMGYMLA \
  | 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: 3168de86d7d23121deff5151161b0c582a7644a138068a1d75861fec228239d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c8668569d1fc905e8354b8caad473bd35a78816533c5a4661e52805eed15b39",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-06-27T21:11:19Z",
    "title_canon_sha256": "c88bb491c043be98dba6fd42bc7d382347f4c5d0bdb7666b20e1f951fa7ad7f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.13633",
    "kind": "arxiv",
    "version": 1
  }
}