Pith Number

pith:R2IIWNDZ

pith:2015:R2IIWNDZJ2BUF3KGDCSQGRNCJD

not attested not anchored not stored refs pending

A combined radio and GeV gamma-ray view of the 2012 and 2013 flares of Mrk 421

A. C. S. Readhead, A. L\"ahteenm\"aki, B. Lott, D. Giannios, J. L. Richards, K. Wiik, M. Balokovi\'c, M. Petropoulou, T. Hovatta, V. Ramakrishnan, W. Max-Moerbeck

arxiv:1501.07407 v2 · 2015-01-29 · astro-ph.HE · astro-ph.CO

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.

Cited by

1 paper in Pith

Tracking down the broadband polarimetric properties of PG 1553+113

Receipt and verification

First computed	2026-05-18T01:41:05.917051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e908b34794e8342ed4618a50345a248e6783cf24522270356e412d94a412323

Aliases

arxiv: 1501.07407 · arxiv_version: 1501.07407v2 · doi: 10.48550/arxiv.1501.07407 · pith_short_12: R2IIWNDZJ2BU · pith_short_16: R2IIWNDZJ2BUF3KG · pith_short_8: R2IIWNDZ

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/R2IIWNDZJ2BUF3KGDCSQGRNCJD \
  | 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: 8e908b34794e8342ed4618a50345a248e6783cf24522270356e412d94a412323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6346b0fc9303025fddc0b89793ba80b3a76ac4954ee9a7aad97e31b3c02ae2b3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-29T10:33:50Z",
    "title_canon_sha256": "5f6c745499e061299b37fcd61e25dce47678dc9bdbbbb266cbd2a2c9b66461d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07407",
    "kind": "arxiv",
    "version": 2
  }
}