Pith Number

pith:WDYJNUB2

pith:2019:WDYJNUB2B72AAXG47L5YCL75UN

not attested not anchored not stored refs pending

Dark matter effect attributed to the inherent structure of cosmic space

M. F. Horstemeyer, T. G. Tenev

arxiv:1902.08504 v1 · 2019-02-21 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDYJNUB2B72AAXG47L5YCL75UN}

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	2026-05-17T23:52:57.015416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f096d03a0ff4005cdcfafb812ffda3707d32d6a202a38cd6d833e6259a7d16

Aliases

arxiv: 1902.08504 · arxiv_version: 1902.08504v1 · doi: 10.48550/arxiv.1902.08504 · pith_short_12: WDYJNUB2B72A · pith_short_16: WDYJNUB2B72AAXG4 · pith_short_8: WDYJNUB2

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/WDYJNUB2B72AAXG47L5YCL75UN \
  | 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: b0f096d03a0ff4005cdcfafb812ffda3707d32d6a202a38cd6d833e6259a7d16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e350f1bab1c79f8f47b5ca97d33446cbf99b572c3a4a8be8ce6b658e69cb47c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-21T18:50:23Z",
    "title_canon_sha256": "ecc83156d46aff25de2154e0b5e8847c573c2024ed5a9fd8a68eb47f79091062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08504",
    "kind": "arxiv",
    "version": 1
  }
}