Pith Number

pith:ER3EIRM6

pith:2011:ER3EIRM6AYORUWF7TMMNHII772

not attested not anchored not stored refs pending

A deep view on the Virgo cluster core

Ingo Misgeld, Michael Hilker, Patrick Durrell, Stefan Lieder, Thorsten Lisker

arxiv:1111.6981 v1 · 2011-11-29 · 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{ER3EIRM6AYORUWF7TMMNHII772}

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	2026-05-18T04:07:19.104170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

247644459e061d1a58bf9b18d3a11ffeb30b0f48f528569f2164e5292fd8f327

Aliases

arxiv: 1111.6981 · arxiv_version: 1111.6981v1 · doi: 10.48550/arxiv.1111.6981 · pith_short_12: ER3EIRM6AYOR · pith_short_16: ER3EIRM6AYORUWF7 · pith_short_8: ER3EIRM6

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/ER3EIRM6AYORUWF7TMMNHII772 \
  | 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: 247644459e061d1a58bf9b18d3a11ffeb30b0f48f528569f2164e5292fd8f327

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "043fdbae6d1b2354eb7067071b1494c6b9a365b0568cfa228f1058bf76ac1d94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-29T21:04:08Z",
    "title_canon_sha256": "bc967f8e1abc466b498b794fde2ba3632d3666407e7c13b7631550040cd74d09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6981",
    "kind": "arxiv",
    "version": 1
  }
}