Pith Number

pith:U2JBYSSE

pith:2022:U2JBYSSEGL45VPPPDRESSZRV47

not attested not anchored not stored refs pending

Constraining Black Hole Natal Kicks with Astrometric Microlensing

Jeff J. Andrews, Vicky Kalogera

arxiv:2203.15156 v2 · 2022-03-29 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U2JBYSSEGL45VPPPDRESSZRV47}

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	2026-07-05T04:25:59.939955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6921c4a4432f9dabdef1c49296635e7c5da706e53c06b8e57fe7afbe3de5c23

Aliases

arxiv: 2203.15156 · arxiv_version: 2203.15156v2 · doi: 10.48550/arxiv.2203.15156 · pith_short_12: U2JBYSSEGL45 · pith_short_16: U2JBYSSEGL45VPPP · pith_short_8: U2JBYSSE

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/U2JBYSSEGL45VPPPDRESSZRV47 \
  | 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: a6921c4a4432f9dabdef1c49296635e7c5da706e53c06b8e57fe7afbe3de5c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fcc2139c5f32e663887212febb30201e966d532ef9da1cd91c2209523b06d54",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-03-29T00:29:18Z",
    "title_canon_sha256": "8a89f5f2bc2c0475192cab7f455172e44213931aac363d6d007c97d70b7e1e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15156",
    "kind": "arxiv",
    "version": 2
  }
}