Pith Number

pith:F4N56QOH

pith:2021:F4N56QOHKBIYHB6AXTCX4YUUUJ

not attested not anchored not stored refs pending

Out of One, Many: Distinguishing Time Delays from Lensed Supernovae

Alex G. Kim, Arman Shafieloo, Eric V. Linder, Mikhail Denissenya, Satadru Bag

arxiv:2109.13282 v2 · 2021-09-27 · 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{F4N56QOHKBIYHB6AXTCX4YUUUJ}

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.

Cited by

1 paper in Pith

Finding Strongly Lensed Supernovae from Blended Light Curves

Receipt and verification

First computed	2026-07-05T03:59:40.836812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f1bdf41c750518387c0bcc57e6294a254e4232b13be283f7f3e62a081edff2a

Aliases

arxiv: 2109.13282 · arxiv_version: 2109.13282v2 · doi: 10.48550/arxiv.2109.13282 · pith_short_12: F4N56QOHKBIY · pith_short_16: F4N56QOHKBIYHB6A · pith_short_8: F4N56QOH

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/F4N56QOHKBIYHB6AXTCX4YUUUJ \
  | 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: 2f1bdf41c750518387c0bcc57e6294a254e4232b13be283f7f3e62a081edff2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db176eb0c14e8a2f263255388e5037e26bbb31e1218f849588c57ff973b3ef95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-27T18:07:35Z",
    "title_canon_sha256": "803d8c79cd5a1f8fb548d2f8864669fbe0cd540b8e0a9371be98c89e961583ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.13282",
    "kind": "arxiv",
    "version": 2
  }
}