Pith Number

pith:ZYAHBC4A

pith:2026:ZYAHBC4AZ4ZOKSYCQJHP4YPQUQ

not attested not anchored not stored refs pending

AMPM II. A Lunar-Mass Primordial Black Hole Microlensing Candidate in the Milky Way Halo

Abhijit Saha, Alan R. Duffy, Anais M\"oller, Edward N. Taylor, Jeremy Mould, Ken C. Freeman, Renee Key, Timothy M. C. Abbott

arxiv:2605.19375 v1 · 2026-05-19 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZYAHBC4AZ4ZOKSYCQJHP4YPQUQ}

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	2026-05-20T01:05:42.520388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce00708b80cf32e54b02824efe61f0a41d9b80fabfacf472a0b20a88a5210eeb

Aliases

arxiv: 2605.19375 · arxiv_version: 2605.19375v1 · doi: 10.48550/arxiv.2605.19375 · pith_short_12: ZYAHBC4AZ4ZO · pith_short_16: ZYAHBC4AZ4ZOKSYC · pith_short_8: ZYAHBC4A

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/ZYAHBC4AZ4ZOKSYCQJHP4YPQUQ \
  | 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: ce00708b80cf32e54b02824efe61f0a41d9b80fabfacf472a0b20a88a5210eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c896ca20cb9fb1aeca56f305ac7437455f35ad13957b52fb88a7c9f46a28d800",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-19T05:20:29Z",
    "title_canon_sha256": "8bae457af2e3a4bfabe0e391c141aeae24fc4b9806b19a6420f31fcb45511e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19375",
    "kind": "arxiv",
    "version": 1
  }
}