Pith Number

pith:TRFH5ETP

pith:2016:TRFH5ETPKMGJEJ6TUI7Q53Z6S3

not attested not anchored not stored refs pending

How did the Virgo cluster form?

Gustavo Yepes, Jenny G. Sorce, Stefan Gottloeber, Yehuda Hoffman

arxiv:1605.06756 v1 · 2016-05-22 · astro-ph.CO · 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{TRFH5ETPKMGJEJ6TUI7Q53Z6S3}

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	2026-05-18T01:10:29.494128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c4a7e926f530c9227d3a23f0eef3e96e3103a5d1daf415a623545ddd762f349

Aliases

arxiv: 1605.06756 · arxiv_version: 1605.06756v1 · doi: 10.48550/arxiv.1605.06756 · pith_short_12: TRFH5ETPKMGJ · pith_short_16: TRFH5ETPKMGJEJ6T · pith_short_8: TRFH5ETP

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/TRFH5ETPKMGJEJ6TUI7Q53Z6S3 \
  | 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: 9c4a7e926f530c9227d3a23f0eef3e96e3103a5d1daf415a623545ddd762f349

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb80671d12943515372d1737ce2d35141c301d022fa5ba4b71f791b2fb1ab9fd",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-05-22T08:19:49Z",
    "title_canon_sha256": "fa08511f2c9faeb66ccad85d206aa3c9acf04f5463d3edc11655c5004ed325d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06756",
    "kind": "arxiv",
    "version": 1
  }
}