Pith Number

pith:2BAFJ65H

pith:2018:2BAFJ65H5QVAK4RH7VLR4N55E5

not attested not anchored not stored refs pending

Detection of a gamma-ray flare from the high-redshift blazar DA 193

A. A. Djupvik, C. C. Cheung, D. Hartmann, I. R. Losada, K. Tanada, L. Marcotulli, L. Siltala, M. Ajello, P. Galindo, R. Angioni, R. Ojha, T. Pursimo, Vaidehi S. Paliya

arxiv:1812.07350 v1 · 2018-12-18 · 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{2BAFJ65H5QVAK4RH7VLR4N55E5}

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	2026-05-17T23:54:08.148718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04054fba7ec2a057227fd571e37bd274ba8d7bdbcb5a3a15a4a5fe8a5f235d5

Aliases

arxiv: 1812.07350 · arxiv_version: 1812.07350v1 · doi: 10.48550/arxiv.1812.07350 · pith_short_12: 2BAFJ65H5QVA · pith_short_16: 2BAFJ65H5QVAK4RH · pith_short_8: 2BAFJ65H

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/2BAFJ65H5QVAK4RH7VLR4N55E5 \
  | 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: d04054fba7ec2a057227fd571e37bd274ba8d7bdbcb5a3a15a4a5fe8a5f235d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0efacf7b59d595587c8c3eeec62ae978afc43a78f87c13ee463be82839ff13a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-12-18T13:18:57Z",
    "title_canon_sha256": "c2cd3250a01832e2b56db90a1107030a7ac73fd59749d80bc9ec81a47bb99f8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07350",
    "kind": "arxiv",
    "version": 1
  }
}