Pith Number

pith:6ITDGE2Y

pith:2020:6ITDGE2YUW2DR3E4TAZOU3T4WR

not attested not anchored not stored refs pending

Optical spectral characterization of the the TeV extreme blazar 2WHSP J073326.7+515354

J. A. Acosta-Pulido, J. Becerra Gonz\'alez, R. Clavero

arxiv:2004.11359 v1 · 2020-04-23 · astro-ph.GA · astro-ph.HE · hep-ex

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ITDGE2YUW2DR3E4TAZOU3T4WR}

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	2026-07-05T01:42:35.860935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f226331358a5b438ec9c9832ea6e7cb4616a006026951caf3be9c4be3cc7ee32

Aliases

arxiv: 2004.11359 · arxiv_version: 2004.11359v1 · doi: 10.48550/arxiv.2004.11359 · pith_short_12: 6ITDGE2YUW2D · pith_short_16: 6ITDGE2YUW2DR3E4 · pith_short_8: 6ITDGE2Y

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/6ITDGE2YUW2DR3E4TAZOU3T4WR \
  | 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: f226331358a5b438ec9c9832ea6e7cb4616a006026951caf3be9c4be3cc7ee32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be28bc7b887c50116dbfcfa11e81b5b0e48eec597f3f176ae8cf9b42274dcd65",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-23T17:56:10Z",
    "title_canon_sha256": "e81b7a41c95f8538ea234ce017d1e069f5cefc77b73cc8a70aa345746a38e22b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11359",
    "kind": "arxiv",
    "version": 1
  }
}