Pith Number

pith:E57PW2RO

pith:2016:E57PW2ROJ32TUBNSSLBUYZRQCV

not attested not anchored not stored refs pending

Testing Modified Dark Matter with Galaxy Clusters: Does Dark Matter know about the Cosmological Constant?

Chiu Man Ho, Djordje Minic, Doug Edmonds, Duncan Farrah, Tatsu Takeuchi, Y. Jack Ng

arxiv:1601.00662 v1 · 2016-01-04 · astro-ph.CO · astro-ph.HE · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E57PW2ROJ32TUBNSSLBUYZRQCV}

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	2026-05-18T00:39:40.657070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

277efb6a2e4ef53a05b292c34c66301576e3c5a37efefc10452d42081fca4566

Aliases

arxiv: 1601.00662 · arxiv_version: 1601.00662v1 · doi: 10.48550/arxiv.1601.00662 · pith_short_12: E57PW2ROJ32T · pith_short_16: E57PW2ROJ32TUBNS · pith_short_8: E57PW2RO

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/E57PW2ROJ32TUBNSSLBUYZRQCV \
  | 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: 277efb6a2e4ef53a05b292c34c66301576e3c5a37efefc10452d42081fca4566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb04a3fc2b984fbfcde2d3dee67f344378ca5b498e9fcbde1c720c28067ed64",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-01-04T21:12:31Z",
    "title_canon_sha256": "08bb116dfa71ea33f8e9d7a469ea2f50f5c47b76efae1e11c5905b98e0c940bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00662",
    "kind": "arxiv",
    "version": 1
  }
}