Pith Number

pith:YJWSLP64

pith:2016:YJWSLP643RFBIVUU7UYCBHYXNF

not attested not anchored not stored refs pending

EVN Observations of HESS J1943+213: Evidence for an Extreme TeV BL Lac Object

Hiroshi Nagai, Kazunori Akiyama, {\L}ukasz Stawarz, Marcello Giroletti, Mareki Honma, Yasuyuki T. Tanaka

arxiv:1603.00877 v3 · 2016-03-02 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJWSLP643RFBIVUU7UYCBHYXNF}

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	2026-05-18T01:13:15.048261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c26d25bfdcdc4a145694fd30209f1769781517438614813d428fb70dd8ffffba

Aliases

arxiv: 1603.00877 · arxiv_version: 1603.00877v3 · doi: 10.48550/arxiv.1603.00877 · pith_short_12: YJWSLP643RFB · pith_short_16: YJWSLP643RFBIVUU · pith_short_8: YJWSLP64

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/YJWSLP643RFBIVUU7UYCBHYXNF \
  | 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: c26d25bfdcdc4a145694fd30209f1769781517438614813d428fb70dd8ffffba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851b9e077a09358a9296da2f8c7afcd0b686a02cc6a1a9f1d0378ad945b426d3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-02T21:00:01Z",
    "title_canon_sha256": "85293cf209ed92bb8c482ebd089f61a6892833cecbab1e7e124d3f9439b7db27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00877",
    "kind": "arxiv",
    "version": 3
  }
}