Pith Number

pith:LTFW5WOA

pith:2017:LTFW5WOAY3OGH57DRA23AGNSDX

not attested not anchored not stored refs pending

Symmetric Achromatic Variability in Active Galaxies -- A Powerful New Gravitational Lensing Probe?

A. C. S. Readhead, A. L\"ahteenm\"aki, H. K. Vedantham, J. A. Zensus, J. L. Richards, M. A. Gurwell, M. Tornikoski, R. A. Reeves, R. D. Blandford, T. Hovatta, T. J. Pearson, V. Pavlidou, V. Ravi, W. Max-Moerbeck

arxiv:1702.06582 v1 · 2017-02-17 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LTFW5WOAY3OGH57DRA23AGNSDX}

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

2 papers in Pith

Primordial Black Holes as Dark Matter: Recent Developments

Constraints on Primordial Black Holes

Receipt and verification

First computed	2026-05-18T00:37:34.368409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ccb6ed9c0c6dc63f7e38835b019b21decf09b9f2914e86562b952338e76bbe7

Aliases

arxiv: 1702.06582 · arxiv_version: 1702.06582v1 · doi: 10.48550/arxiv.1702.06582 · pith_short_12: LTFW5WOAY3OG · pith_short_16: LTFW5WOAY3OGH57D · pith_short_8: LTFW5WOA

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/LTFW5WOAY3OGH57DRA23AGNSDX \
  | 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: 5ccb6ed9c0c6dc63f7e38835b019b21decf09b9f2914e86562b952338e76bbe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e2d7a0fa8bb4afaf24f0821eaaab3edd15ba2a4af61d1f0e26a1c9fb387679e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-02-17T21:01:28Z",
    "title_canon_sha256": "111e01d8d1346ad60d51ded2caacfc0a84585a77eb9367081b898b8cbf7b18a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06582",
    "kind": "arxiv",
    "version": 1
  }
}