Pith Number

pith:EYLNFUDS

pith:2021:EYLNFUDSRTVP6IKKIIJVRL2DZN

not attested not anchored not stored refs pending

The PAU Survey: narrowband photometric redshifts using Gaussian processes

Alex Alarcon, Benjamin Joachimi, Cristobal Padilla, Enrique Fern\'andez, Enrique Gaztanaga, Eusebio S\'anchez, Francisco J. Castander, Hendrik Hildebrandt, Henk Hoekstra, John Y. H. Soo, Jorge Carretero, Juan Garci\'a-Bellido, Laura Cabayol, Ma{\l}gorzata Siudek, Martin Eriksen, Pau Tallada-Cresp\'i, Ramon Miquel, Ricard Casas, Santiago Serrano

arxiv:2101.03723 v2 · 2021-01-11 · astro-ph.CO · 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{EYLNFUDSRTVP6IKKIIJVRL2DZN}

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	2026-07-05T02:25:34.324768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2616d2d0728ceaff214a421358af43cb50780c325977a9f72add706330c83ae9

Aliases

arxiv: 2101.03723 · arxiv_version: 2101.03723v2 · doi: 10.48550/arxiv.2101.03723 · pith_short_12: EYLNFUDSRTVP · pith_short_16: EYLNFUDSRTVP6IKK · pith_short_8: EYLNFUDS

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/EYLNFUDSRTVP6IKKIIJVRL2DZN \
  | 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: 2616d2d0728ceaff214a421358af43cb50780c325977a9f72add706330c83ae9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fc0bf4be1712055f551a0faf71c7c853448e94a26909739d40c5b806eb1b14c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-01-11T06:23:51Z",
    "title_canon_sha256": "50fd1aef5a3f48fa93d66ac61866a0cb473097c8a0b7d904d0c288eb8dfbd39b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.03723",
    "kind": "arxiv",
    "version": 2
  }
}