Pith Number

pith:6LH3IMU5

pith:2017:6LH3IMU5UAFNPNVGSDIX7TSJWS

not attested not anchored not stored refs pending

The peculiar light-curve of J1415+1320: A case study in extreme scattering events

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

arxiv:1702.05519 v1 · 2017-02-17 · astro-ph.GA · astro-ph.HE

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

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	2026-05-18T00:37:01.519596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2cfb4329da00ad7b6a690d17fce49b483df8fb9d638c17085f8b184b537c071

Aliases

arxiv: 1702.05519 · arxiv_version: 1702.05519v1 · doi: 10.48550/arxiv.1702.05519 · pith_short_12: 6LH3IMU5UAFN · pith_short_16: 6LH3IMU5UAFNPNVG · pith_short_8: 6LH3IMU5

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/6LH3IMU5UAFNPNVGSDIX7TSJWS \
  | 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: f2cfb4329da00ad7b6a690d17fce49b483df8fb9d638c17085f8b184b537c071

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6303e48a5da3cd9bdbb122baff3b140d0162616fa733382bccff477519f5901a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-02-17T21:18:14Z",
    "title_canon_sha256": "fb3b19cbdeb8fbe87a998f2f214e05d8f246f46a60731c160800ad66c0f52851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05519",
    "kind": "arxiv",
    "version": 1
  }
}