Pith Number

pith:H6WZ2N6W

pith:2021:H6WZ2N6WOAQXAMVVB7V2UNGD2A

not attested not anchored not stored refs pending

Multi-wavelength study of Mrk 421 during a TeV flare

A. Arbet-Engels, A. Biland, A. Gokus, A. Kalenski, A. Kraus, A. Kreikenbohm, A. Mitchell, A. Paravac, B. Schleicher, D. Baack, D. Dorner, D. Elsaesser, D. Hildebrand, D. Neise, F. Eppel, I. Kreykenbohm, J. Buss, J. Hessdoerfer, J. Wilms, K. Leiter, K. Mannheim, L. Eisenberger, M. Balbo, M. Kadler, M. Kreter, M. Langejahn, M. Noethe, P. Thalhammer, R. Iotov, R. Walter, T. Bretz, T. Dauser, V. Sliusar, W. Rhode

arxiv:2108.02085 v1 · 2021-08-04 · 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{H6WZ2N6WOAQXAMVVB7V2UNGD2A}

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	2026-07-05T03:03:21.635785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fad9d37d670217032b50febaa34c3d03da2bdc2c4ff84772f9ab94e8c4060ee

Aliases

arxiv: 2108.02085 · arxiv_version: 2108.02085v1 · doi: 10.48550/arxiv.2108.02085 · pith_short_12: H6WZ2N6WOAQX · pith_short_16: H6WZ2N6WOAQXAMVV · pith_short_8: H6WZ2N6W

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/H6WZ2N6WOAQXAMVVB7V2UNGD2A \
  | 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: 3fad9d37d670217032b50febaa34c3d03da2bdc2c4ff84772f9ab94e8c4060ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7dfa5c3ac3b65820ee57da20dae636f63c95a6a914db44575c7605315a84505",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-08-04T14:37:54Z",
    "title_canon_sha256": "ba765e76c75af08dfad2c806f16806d12d3eaa1f0fea8087b4a53d7fcf1b109e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02085",
    "kind": "arxiv",
    "version": 1
  }
}