Pith Number

pith:CBBR73ND

pith:2018:CBBR73ND5KIXPSY2EGZU2GWEVU

not attested not anchored not stored refs pending

SED constraints on the highest-$z$ blazar jet: QSO J0906+6930

Hongjun An, Roger W. Romani

arxiv:1803.01510 v1 · 2018-03-05 · 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{CBBR73ND5KIXPSY2EGZU2GWEVU}

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	2026-05-18T00:18:51.579671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10431feda3ea9177cb1a21b34d1ac4ad2e48abffc24c126dc8e72bee7d26c671

Aliases

arxiv: 1803.01510 · arxiv_version: 1803.01510v1 · doi: 10.48550/arxiv.1803.01510 · pith_short_12: CBBR73ND5KIX · pith_short_16: CBBR73ND5KIXPSY2 · pith_short_8: CBBR73ND

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/CBBR73ND5KIXPSY2EGZU2GWEVU \
  | 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: 10431feda3ea9177cb1a21b34d1ac4ad2e48abffc24c126dc8e72bee7d26c671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52b23e9f540ad4b2dc56bf71a1aa922150e7eaaedd29d024c993e0586b9b709a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-03-05T05:57:57Z",
    "title_canon_sha256": "6812e1dd612d9fe3138f35fc095026f878518443106fd2ec1090dfe66577e36b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01510",
    "kind": "arxiv",
    "version": 1
  }
}