Pith Number

pith:YVPYKQEW

pith:2010:YVPYKQEWYU5A6JEGRSAOCYZLCH

not attested not anchored not stored refs pending

Dark Matter Particles with Low Mass (and FTL)

Wuliang Huang, Xiaodong Huang

arxiv:1003.5208 v9 · 2010-03-26 · physics.gen-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{YVPYKQEWYU5A6JEGRSAOCYZLCH}

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	2026-05-18T00:54:09.209252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c55f854096c53a0f24868c80e1632b11c27ec182d38504f2f4ba5480d419c7e5

Aliases

arxiv: 1003.5208 · arxiv_version: 1003.5208v9 · doi: 10.48550/arxiv.1003.5208 · pith_short_12: YVPYKQEWYU5A · pith_short_16: YVPYKQEWYU5A6JEG · pith_short_8: YVPYKQEW

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/YVPYKQEWYU5A6JEGRSAOCYZLCH \
  | 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: c55f854096c53a0f24868c80e1632b11c27ec182d38504f2f4ba5480d419c7e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6d2638360ea37f4a11dbccfd052f4752bc1fd45e9a4fb37b119da11be82fcb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2010-03-26T19:35:25Z",
    "title_canon_sha256": "957d4b6d1d048ed9f26d1de5240f97b151ff04f2786654371d72e948bdfa1315"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5208",
    "kind": "arxiv",
    "version": 9
  }
}