Pith Number

pith:QY34EGZI

pith:2019:QY34EGZIHEH3B6JZBE5TFLYKEL

not attested not anchored not stored refs pending

Spectrophotometric redshifts for $\mathrm{z\sim1}$ galaxies and predictions for number densities with WFIRST and Euclid

Bhavin A. Joshi, Nimish P. Hathi, Norbert Pirzkal, Rogier A. Windhorst, Rolf Jansen, Seth Cohen

arxiv:1903.08705 v2 · 2019-03-20 · 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{QY34EGZIHEH3B6JZBE5TFLYKEL}

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	2026-07-05T00:10:34.553059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8637c21b28390fb0f939093b32af0a22dd9d8bfd9149c1cd71faf18c7dfa6164

Aliases

arxiv: 1903.08705 · arxiv_version: 1903.08705v2 · doi: 10.48550/arxiv.1903.08705 · pith_short_12: QY34EGZIHEH3 · pith_short_16: QY34EGZIHEH3B6JZ · pith_short_8: QY34EGZI

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/QY34EGZIHEH3B6JZBE5TFLYKEL \
  | 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: 8637c21b28390fb0f939093b32af0a22dd9d8bfd9149c1cd71faf18c7dfa6164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4526f594e5e096d2fdf87d44b72b485bb0720ae40b25ade836f77fc155d6d3d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-20T19:06:13Z",
    "title_canon_sha256": "1cf3a099bc56181e67007d669b28a60ec01d77e6b50cec8978b66848bd815fc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08705",
    "kind": "arxiv",
    "version": 2
  }
}