Pith Number

pith:VPC64YVD

pith:2016:VPC64YVDSCQTOJ2WNKWP27IQY5

not attested not anchored not stored refs pending

Galaxy structure from multiple tracers: II. M87 from parsec to megaparsec scales

L. J. Oldham, M. W. Auger

arxiv:1601.01323 v1 · 2016-01-06 · 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{VPC64YVDSCQTOJ2WNKWP27IQY5}

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	2026-05-18T01:21:50.723013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc5ee62a390a13727566aacfd7d10c75efc810af489f1d250dbd895c77c8f2a

Aliases

arxiv: 1601.01323 · arxiv_version: 1601.01323v1 · doi: 10.48550/arxiv.1601.01323 · pith_short_12: VPC64YVDSCQT · pith_short_16: VPC64YVDSCQTOJ2W · pith_short_8: VPC64YVD

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/VPC64YVDSCQTOJ2WNKWP27IQY5 \
  | 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: abc5ee62a390a13727566aacfd7d10c75efc810af489f1d250dbd895c77c8f2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea4adf65e5eb229fea653d24b0b489fd3f881a2f1f5aba4ca71e8e427877c372",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-06T21:00:28Z",
    "title_canon_sha256": "90fc673c1024c0993f24b23d62bf05b934750ad8a02ca50423e26c859abb8254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01323",
    "kind": "arxiv",
    "version": 1
  }
}