Pith Number

pith:PSWVHFKI

pith:2022:PSWVHFKIRQIT6EGL323HIJ6JDR

not attested not anchored not stored refs pending

The sensitivity of GPz estimates of photo-z posterior PDFs to realistically complex training set imperfections

Alex I. Malz, John Franklin Crenshaw, Julia Gschwend, Natalia Stylianou, Peter Hatfield

arxiv:2202.12775 v1 · 2022-02-25 · 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{PSWVHFKIRQIT6EGL323HIJ6JDR}

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	2026-07-05T04:19:55.168002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cad5395488c113f10cbdeb67427c91c6321af69d66dd46e0f737ddb4b781667

Aliases

arxiv: 2202.12775 · arxiv_version: 2202.12775v1 · doi: 10.48550/arxiv.2202.12775 · pith_short_12: PSWVHFKIRQIT · pith_short_16: PSWVHFKIRQIT6EGL · pith_short_8: PSWVHFKI

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/PSWVHFKIRQIT6EGL323HIJ6JDR \
  | 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: 7cad5395488c113f10cbdeb67427c91c6321af69d66dd46e0f737ddb4b781667

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f012dd730ad7146c6808956a96a45d6caef3f937284c2cb3a3fe66694bc3ca6b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-02-25T15:48:29Z",
    "title_canon_sha256": "cdba154706f9d186d0a391d09e82abef31431c7dc17ee61712bcd4a97623c4b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.12775",
    "kind": "arxiv",
    "version": 1
  }
}