Pith Number

pith:G5P7Y4C4

pith:2016:G5P7Y4C4DFHP2XT2VBEREAGKMI

not attested not anchored not stored refs pending

MApping the Most Massive Overdensities (MAMMOTH) II -- Discovery of an Extremely Massive Overdensity BOSS1441 at $z=2.32$

Ann Zabludoff, Brenda Frye, Fuyan Bian, Ian McGreer, J. Xavier Prochaska, Linhua Jiang, Nobunari Kashikawa, Ran Wang, Richard Green, Xiaohui Fan, Yujin Yang, Zheng Cai, Zhen-Ya Zheng

arxiv:1609.02913 v1 · 2016-09-09 · astro-ph.GA · 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{G5P7Y4C4DFHP2XT2VBEREAGKMI}

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	2026-05-18T00:45:15.520054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

375ffc705c194efd5e7aa8491200ca623fc3b096db97425e25a86f3da15fd98f

Aliases

arxiv: 1609.02913 · arxiv_version: 1609.02913v1 · doi: 10.48550/arxiv.1609.02913 · pith_short_12: G5P7Y4C4DFHP · pith_short_16: G5P7Y4C4DFHP2XT2 · pith_short_8: G5P7Y4C4

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/G5P7Y4C4DFHP2XT2VBEREAGKMI \
  | 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: 375ffc705c194efd5e7aa8491200ca623fc3b096db97425e25a86f3da15fd98f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ca099b02b693d3ceaada4f082d5f00513dd831084e85f40dea664c9e3efd31e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-09T20:00:00Z",
    "title_canon_sha256": "6cfd9f473854ad5d935341beac03922df0ce6a22a1d03c4afc66ab49d5ed28f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02913",
    "kind": "arxiv",
    "version": 1
  }
}