Pith Number

pith:EF3RM6HF

pith:2018:EF3RM6HFY74D3GPF5J3FRC5Z6Q

not attested not anchored not stored refs pending

Head-on collision of multi-state ultralight BEC dark matter configurations

Ana Avilez-Lopez, F.S. Guzman

arxiv:1804.08670 v2 · 2018-04-23 · 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{EF3RM6HFY74D3GPF5J3FRC5Z6Q}

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	2026-05-18T00:06:04.251070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21771678e5c7f83d99e5ea76588bb9f40b015ce817ae159babba8ac26a03568c

Aliases

arxiv: 1804.08670 · arxiv_version: 1804.08670v2 · doi: 10.48550/arxiv.1804.08670 · pith_short_12: EF3RM6HFY74D · pith_short_16: EF3RM6HFY74D3GPF · pith_short_8: EF3RM6HF

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/EF3RM6HFY74D3GPF5J3FRC5Z6Q \
  | 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: 21771678e5c7f83d99e5ea76588bb9f40b015ce817ae159babba8ac26a03568c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08d4bfb32dd11e31832d3a1f164efb720c9cd983dea9b817989e0c5612f5fc3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-04-23T18:59:27Z",
    "title_canon_sha256": "b49942df6338dba014bf091ec4c730a4e52aadee54771994283429ce931624b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08670",
    "kind": "arxiv",
    "version": 2
  }
}