Pith Number

pith:A5WHDMPL

pith:2017:A5WHDMPLDQ3CXMMMGVTZAVV5KG

not attested not anchored not stored refs pending

The Ages of Passive Galaxies in a z=1.62 Protocluster

Brittany Henke, Casey Papovich, Christopher N. A. Willmer, Donald B. Lee-Brown, Duncan Farrah, Gabriel B. Brammer, Gregory H. Rudnick, Ivelina G. Momcheva, James Dunlop, Jennifer M. Lotz, Kim-Vy H. Tran, Mark Brodwin

arxiv:1706.05017 v1 · 2017-06-15 · 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{A5WHDMPLDQ3CXMMMGVTZAVV5KG}

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	2026-05-18T00:39:31.475675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076c71b1eb1c362bb18c35679056bd51bfedb400ae7300eaf3086e98d1a5ebf1

Aliases

arxiv: 1706.05017 · arxiv_version: 1706.05017v1 · doi: 10.48550/arxiv.1706.05017 · pith_short_12: A5WHDMPLDQ3C · pith_short_16: A5WHDMPLDQ3CXMMM · pith_short_8: A5WHDMPL

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/A5WHDMPLDQ3CXMMMGVTZAVV5KG \
  | 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: 076c71b1eb1c362bb18c35679056bd51bfedb400ae7300eaf3086e98d1a5ebf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d6b0956bab1b6c99cae6cf5042dfb268223e123c2b03b7a4791aa8280a754ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-15T18:01:10Z",
    "title_canon_sha256": "5f27556d1da6573083de1d5c8047fc4bed11f81108a29cb2232d513427c4d183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05017",
    "kind": "arxiv",
    "version": 1
  }
}