Pith Number

pith:4G7HSYLH

pith:2020:4G7HSYLHS64AUAIVUCEY5YKMBU

not attested not anchored not stored refs pending

Blazar Radio and Optical Survey (BROS): A catalog of blazar candidates showing flat radio spectrum and their optical identification in Pan-STARRS1 Surveys

Akihiro Doi, Koji S. Kawabata, Kouji Ohta, Ryosuke Itoh, Tomoki Morokuma, Yasuyuki T. Tanaka, Yoshiyuki Inoue, Yousuke Utsumi

arxiv:2008.00038 v1 · 2020-07-31 · 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{4G7HSYLHS64AUAIVUCEY5YKMBU}

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	2026-07-05T01:24:03.891749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1be79616797b80a0115a0898ee14c0d1d7fe097f218a5d12f0e296be45825b7

Aliases

arxiv: 2008.00038 · arxiv_version: 2008.00038v1 · doi: 10.48550/arxiv.2008.00038 · pith_short_12: 4G7HSYLHS64A · pith_short_16: 4G7HSYLHS64AUAIV · pith_short_8: 4G7HSYLH

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/4G7HSYLHS64AUAIVUCEY5YKMBU \
  | 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: e1be79616797b80a0115a0898ee14c0d1d7fe097f218a5d12f0e296be45825b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "655897ab7d110274ff3eeb83babc866c439199764c975a03ee6d7560bf6833ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-07-31T19:03:21Z",
    "title_canon_sha256": "d938564ceff0ae1579ca45c41cf10b7298461f0e4757f490da70b00f282c8783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.00038",
    "kind": "arxiv",
    "version": 1
  }
}