Pith Number

pith:32Q7V6G2

pith:2023:32Q7V6G2LIYF3CGNXSBJFORQPF

not attested not anchored not stored refs pending

AGN's Deadness Over Cosmic Time: UVJ Diagrams of X-Ray-Selected AGN

Allison Kirkpatrick, Brandon Coleman, Greg Troiani, Rachel Cionitti

arxiv:2307.11612 v1 · 2023-07-21 · 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{32Q7V6G2LIYF3CGNXSBJFORQPF}

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	2026-07-05T06:33:30.032336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dea1faf8da5a305d88cdbc8292ba30794353e1359ffb008d16f9729e0e751bc1

Aliases

arxiv: 2307.11612 · arxiv_version: 2307.11612v1 · doi: 10.48550/arxiv.2307.11612 · pith_short_12: 32Q7V6G2LIYF · pith_short_16: 32Q7V6G2LIYF3CGN · pith_short_8: 32Q7V6G2

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/32Q7V6G2LIYF3CGNXSBJFORQPF \
  | 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: dea1faf8da5a305d88cdbc8292ba30794353e1359ffb008d16f9729e0e751bc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "205f9965c18f8cdc4f70bb8c5cf07c66d678a19a8362307580fbd8283a39ab7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-07-21T14:32:20Z",
    "title_canon_sha256": "8685f9ff0378fa35bcc02a7022bac9b29710afd1ad83acc002c196ef59b33a05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.11612",
    "kind": "arxiv",
    "version": 1
  }
}