Pith Number

pith:4AGYQDCN

pith:2015:4AGYQDCNMCD7JHRADGKORG7OA3

not attested not anchored not stored refs pending

Flaring activity of Mrk 421 in 2012 and 2013: orphan flare and multiwavelength analysis

David Hiriart, Erika Ben\'itez, Jos\'e Ignacio Cabrera, Nissim Fraija

arxiv:1508.01438 v1 · 2015-08-06 · 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{4AGYQDCNMCD7JHRADGKORG7OA3}

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	2026-05-18T01:35:42.621501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e00d880c4d6087f49e201994e89bee06c79df74dbd3f20388af02753bd05f820

Aliases

arxiv: 1508.01438 · arxiv_version: 1508.01438v1 · doi: 10.48550/arxiv.1508.01438 · pith_short_12: 4AGYQDCNMCD7 · pith_short_16: 4AGYQDCNMCD7JHRA · pith_short_8: 4AGYQDCN

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/4AGYQDCNMCD7JHRADGKORG7OA3 \
  | 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: e00d880c4d6087f49e201994e89bee06c79df74dbd3f20388af02753bd05f820

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7170d6b925e62ed30adb2384bba07474853c1fd5d7b0c45b3b198ed8cedae8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-08-06T15:41:35Z",
    "title_canon_sha256": "80daa2d64008b41ed58db6203cfff56621e3dd28c1ca7b8cfa12fb0bd03bc86a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01438",
    "kind": "arxiv",
    "version": 1
  }
}