Pith Number

pith:4QZSYBBB

pith:2012:4QZSYBBBVLXYV5PEYZ3U2CMTUT

not attested not anchored not stored refs pending

The Clustering of Extremely Red Objects

Anthony Gonzalez, Arjun Dey, Benjamin J. Weiner, Buell T. Jannuzi, C. S. Kochanek, Daniel Stern, David P. Palamara, Emeric Le Floc'h, Kevin A. Pimbblet, Marcia Rieke, Mark Brodwin, Matthew L. N. Ashby, Michael J. I. Brown

arxiv:1211.6798 v1 · 2012-11-29 · 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{4QZSYBBBVLXYV5PEYZ3U2CMTUT}

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	2026-05-18T03:35:38.034752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4332c0421aaef8af5e4c6774d0993a4c2af4bd7536416e0997d27241f802ff3

Aliases

arxiv: 1211.6798 · arxiv_version: 1211.6798v1 · doi: 10.48550/arxiv.1211.6798 · pith_short_12: 4QZSYBBBVLXY · pith_short_16: 4QZSYBBBVLXYV5PE · pith_short_8: 4QZSYBBB

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/4QZSYBBBVLXYV5PEYZ3U2CMTUT \
  | 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: e4332c0421aaef8af5e4c6774d0993a4c2af4bd7536416e0997d27241f802ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fb4fe4c155f7b8feda3c861659309fa4afd8107965e5669eb095ff0b3fa412b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-29T02:23:36Z",
    "title_canon_sha256": "384240033d76750c3b181b0ecde8542fe572779b5efed46bf0cd5bedaca4a14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6798",
    "kind": "arxiv",
    "version": 1
  }
}