Pith Number

pith:EN2OAP5V

pith:2022:EN2OAP5VE6FNEIUF4I5SRWIMRB

not attested not anchored not stored refs pending

The microvariability and wavelength dependence of polarization degree/angle of BL Lacertae in the outburst 2020 to 2021

Anjasha Gangopadhyay, Hiroshi Akitaya, Koji S. Kawabata, Mahito Sasada, Natsuko Hazama, Ryo Imazawa, Tatsuya Nakaoka, Thomas Bohn, Yasushi Fukazawa

arxiv:2211.10300 v2 · 2022-11-17 · astro-ph.GA · 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{EN2OAP5VE6FNEIUF4I5SRWIMRB}

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	2026-07-05T05:17:49.002651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2374e03fb5278ad22285e23b28d90c887b23e54c8a4e45e63b8e7721972fb167

Aliases

arxiv: 2211.10300 · arxiv_version: 2211.10300v2 · doi: 10.48550/arxiv.2211.10300 · pith_short_12: EN2OAP5VE6FN · pith_short_16: EN2OAP5VE6FNEIUF · pith_short_8: EN2OAP5V

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/EN2OAP5VE6FNEIUF4I5SRWIMRB \
  | 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: 2374e03fb5278ad22285e23b28d90c887b23e54c8a4e45e63b8e7721972fb167

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37cd8dd6a7f2d3310ac1b416c966ff7f33bec7804a78fa0a139a6763abdf3281",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-17T06:49:06Z",
    "title_canon_sha256": "b6677e438bb6a880ed7256e238f9a37a7e847ae4e044af86f7b358f64b561511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.10300",
    "kind": "arxiv",
    "version": 2
  }
}