Pith Number

pith:PSMD2ECT

pith:2016:PSMD2ECTNWDL47EJMDDFH2O3X3

not attested not anchored not stored refs pending

Star Formation and Supercluster Environment of 107 Nearby Galaxy Clusters

G. A. Wegner, J. Vennik, M. Einasto, R. C. Hickox, S. A. Cohen

arxiv:1612.04813 v1 · 2016-12-14 · 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{PSMD2ECTNWDL47EJMDDFH2O3X3}

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	2026-05-18T00:52:13.151972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c983d10536d86be7c8960c653e9dbbec0a1c7d7b6894840d7bb2d81fc4a3487

Aliases

arxiv: 1612.04813 · arxiv_version: 1612.04813v1 · doi: 10.48550/arxiv.1612.04813 · pith_short_12: PSMD2ECTNWDL · pith_short_16: PSMD2ECTNWDL47EJ · pith_short_8: PSMD2ECT

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/PSMD2ECTNWDL47EJMDDFH2O3X3 \
  | 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: 7c983d10536d86be7c8960c653e9dbbec0a1c7d7b6894840d7bb2d81fc4a3487

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9564914fa8251d2d274b5ae8235a53a6b0be19e1c92ec61168e2b85b5569cbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-14T21:00:00Z",
    "title_canon_sha256": "c760fab950388075311b45c7fab9c84a222bc788b364738f7cf958f612244916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04813",
    "kind": "arxiv",
    "version": 1
  }
}