pith. sign in
Pith Number

pith:557QOMN3

pith:2015:557QOMN352X4AC5QX6DFJTWNLI
not attested not anchored not stored refs pending

Dark Matter Velocity Spectroscopy

Eric G. Speckhard, John F. Beacom, Kenny C. Y. Ng, Ranjan Laha

arxiv:1507.04744 v2 · 2015-07-16 · astro-ph.CO · astro-ph.HE · hep-ex · hep-ph · nucl-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{557QOMN352X4AC5QX6DFJTWNLI}

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 2026-05-18T01:21:55.042873Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ef7f0731bbeeafc00bb0bf8654cecd5a08c3f2f04a939bc3717552df7b1bd647

Aliases

arxiv: 1507.04744 · arxiv_version: 1507.04744v2 · doi: 10.48550/arxiv.1507.04744 · pith_short_12: 557QOMN352X4 · pith_short_16: 557QOMN352X4AC5Q · pith_short_8: 557QOMN3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/557QOMN352X4AC5QX6DFJTWNLI \
  | 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: ef7f0731bbeeafc00bb0bf8654cecd5a08c3f2f04a939bc3717552df7b1bd647
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4d220f7b4d245834dce2c5bd0504495800eefeab76789b5df3c0262b4e43368c",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ex",
      "hep-ph",
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-07-16T20:00:28Z",
    "title_canon_sha256": "1964b2c8dc30df5d764431e5654bc67d6bf45e4068c544993338a3dd4b49f785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04744",
    "kind": "arxiv",
    "version": 2
  }
}