Pith Number

pith:GEZJCYJ6

pith:2019:GEZJCYJ6WEKMQYMSGBNPRIFJUF

not attested not anchored not stored refs pending

The June 2016 Optical and Gamma-Ray Outburst and Optical Micro-Variability of the Blazar 3C454.3

Alan P. Marscher, Alina Sabyr, Anna A. Nikiforova, Daria A. Morozova, Elena G. Larionova, Evgenia N. Kopatskaya, George A. Borman, Ivan S. Troitsky, K.J. Chapman, Leah G. Jenks, Paul S. Smith, Ryan W. Stahlin, Saiyang Zhang, Samantha J. Boni, Sergey S. Savchenko, Svetlana G. Jorstad, Thomas J. Balonek, Valeri M. Larionov, Yulia V. Troitskaya, Zachary R. Weaver

arxiv:1903.04587 v1 · 2019-03-11 · 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{GEZJCYJ6WEKMQYMSGBNPRIFJUF}

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	2026-05-17T23:48:29.884940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

313291613eb114c86192305af8a0a9a1518eb41e7313888a14cc4059221ade6f

Aliases

arxiv: 1903.04587 · arxiv_version: 1903.04587v1 · doi: 10.48550/arxiv.1903.04587 · pith_short_12: GEZJCYJ6WEKM · pith_short_16: GEZJCYJ6WEKMQYMS · pith_short_8: GEZJCYJ6

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/GEZJCYJ6WEKMQYMSGBNPRIFJUF \
  | 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: 313291613eb114c86192305af8a0a9a1518eb41e7313888a14cc4059221ade6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b49744c256ae0bf001e85c37bdc1a85ccc25a508421df2e4be5858e6e256d4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-11T20:25:43Z",
    "title_canon_sha256": "ac16e13a1e79094be8f65ef720a90931ea677fc9453871b5c03af7da3043eec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04587",
    "kind": "arxiv",
    "version": 1
  }
}