Pith Number

pith:PEW36KMS

pith:2012:PEW36KMSDAEYEBSH5Y5Q66DJOX

not attested not anchored not stored refs pending

A tale of two tails and an off-centered envelope: diffuse light around the cD galaxy NGC 3311 in the Hydra I cluster

Enrica Iodice (INAF, Garching, Giulia Ventimiglia (ESO, INAF, Lodovico Coccato (ESO, Magda Arnaboldi (ESO, MPE), OAC), OATo), Ortwin Gerhard (MPE)

arxiv:1205.5289 v2 · 2012-05-23 · 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{PEW36KMSDAEYEBSH5Y5Q66DJOX}

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	2026-05-18T01:57:23.802736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792dbf29921809820647ee3b0f786975ec1bb3ccc213d27423d113d8f866ef47

Aliases

arxiv: 1205.5289 · arxiv_version: 1205.5289v2 · doi: 10.48550/arxiv.1205.5289 · pith_short_12: PEW36KMSDAEY · pith_short_16: PEW36KMSDAEYEBSH · pith_short_8: PEW36KMS

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/PEW36KMSDAEYEBSH5Y5Q66DJOX \
  | 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: 792dbf29921809820647ee3b0f786975ec1bb3ccc213d27423d113d8f866ef47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2feb3478bc74e0f9fa96007130d631094250aeb32423be6fd3da6ad049ff490f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-23T20:58:54Z",
    "title_canon_sha256": "4bcc18ed9c1bb74f780d4edd22dc7b1fadff99624fc4256a02e110b17af2801f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5289",
    "kind": "arxiv",
    "version": 2
  }
}