Pith Number

pith:U4VHQ3JN

pith:2022:U4VHQ3JNELRL76EWW47UEY4F7X

not attested not anchored not stored refs pending

Hierarchical Bayesian inference of photometric redshifts with stellar population synthesis models

Boris Leistedt, Daniel Mortlock, Hiranya Peiris, Joel Leja, Justin Alsing

arxiv:2207.07673 v2 · 2022-07-15 · astro-ph.IM · 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{U4VHQ3JNELRL76EWW47UEY4F7X}

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	2026-07-05T05:33:47.969026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72a786d2d22e2bff896b73f426385fdcbe41d9443123a9568501f7fcc4b0ac6

Aliases

arxiv: 2207.07673 · arxiv_version: 2207.07673v2 · doi: 10.48550/arxiv.2207.07673 · pith_short_12: U4VHQ3JNELRL · pith_short_16: U4VHQ3JNELRL76EW · pith_short_8: U4VHQ3JN

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/U4VHQ3JNELRL76EWW47UEY4F7X \
  | 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: a72a786d2d22e2bff896b73f426385fdcbe41d9443123a9568501f7fcc4b0ac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "401cdebf82355a4071d537773115f14f07ce7c6dbe0e74d284ccce8ed550bb2f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-07-15T18:00:05Z",
    "title_canon_sha256": "a059964ff52b8fdc10dc176a41dcc0bab67566de3d34502a747f166a798ee9dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.07673",
    "kind": "arxiv",
    "version": 2
  }
}