Pith Number

pith:S5GX2PDC

pith:2018:S5GX2PDCQPQR4BMBO2Z4UPG7DI

not attested not anchored not stored refs pending

A redshift survey of the nearby galaxy cluster Abell 2107: Global rotation of the cluster and its connection to large-scale structures in the universe

Changbom Park, Ho Seong Hwang, Hyunmi Song, Maret Einasto, Rory Smith

arxiv:1810.11985 v1 · 2018-10-29 · 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{S5GX2PDCQPQR4BMBO2Z4UPG7DI}

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	2026-05-17T23:57:37.949878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974d7d3c6283e11e058176b3ca3cdf1a23ad7ce2e7def466f823930669af1c97

Aliases

arxiv: 1810.11985 · arxiv_version: 1810.11985v1 · doi: 10.48550/arxiv.1810.11985 · pith_short_12: S5GX2PDCQPQR · pith_short_16: S5GX2PDCQPQR4BMB · pith_short_8: S5GX2PDC

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/S5GX2PDCQPQR4BMBO2Z4UPG7DI \
  | 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: 974d7d3c6283e11e058176b3ca3cdf1a23ad7ce2e7def466f823930669af1c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c94e440b980cee6aaebd8dbd3e1986a594387d41994fb789bd4901df207c341",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-29T07:38:24Z",
    "title_canon_sha256": "03486c8bc683cda32c40cc9d1009079189744d43c95ec9a97e7be317ba406216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11985",
    "kind": "arxiv",
    "version": 1
  }
}