Pith Number

pith:KOXPG3RG

pith:2017:KOXPG3RGZWBAUQO53I5A7TLIQX

not attested not anchored not stored refs pending

On the lensed blazar B0218+357

A. Treves, M. Landoni, R. Falomo, R. Scarpa, S. Paiano

arxiv:1706.02718 v1 · 2017-06-08 · 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{KOXPG3RGZWBAUQO53I5A7TLIQX}

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	2026-05-18T00:39:34.055191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53aef36e26cd820a41ddda3a0fcd6885ecc938a5dbfc0f57fcd4c770270f3361

Aliases

arxiv: 1706.02718 · arxiv_version: 1706.02718v1 · doi: 10.48550/arxiv.1706.02718 · pith_short_12: KOXPG3RGZWBA · pith_short_16: KOXPG3RGZWBAUQO5 · pith_short_8: KOXPG3RG

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/KOXPG3RGZWBAUQO53I5A7TLIQX \
  | 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: 53aef36e26cd820a41ddda3a0fcd6885ecc938a5dbfc0f57fcd4c770270f3361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c3affa62fa868e365b42d3545f18e74f310d314c03f0a5baf1c9d58719fd470",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-06-08T18:04:31Z",
    "title_canon_sha256": "76335ca21c9caef7b755a18b8e27c7ee961d6e85214663689ccc31a6b85d6acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02718",
    "kind": "arxiv",
    "version": 1
  }
}