Pith Number

pith:STWDTLMS

pith:2020:STWDTLMSWTW5YE45GXTUM5XUBA

not attested not anchored not stored refs pending

Inverse-Compton scattering in the resolved jet of the high-redshift quasar PKS J1421-0643

A. Siemiginowska, D.A. Schwartz, D.M. Worrall, H.L. Marshall, J.F.C. Wardle, M. Birkinshaw

arxiv:2007.03536 v1 · 2020-07-07 · 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{STWDTLMSWTW5YE45GXTUM5XUBA}

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	2026-07-05T01:19:12.115760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94ec39ad92b4eddc139d35e74676f40817ef5d4b2a26ee731d31412650f29686

Aliases

arxiv: 2007.03536 · arxiv_version: 2007.03536v1 · doi: 10.48550/arxiv.2007.03536 · pith_short_12: STWDTLMSWTW5 · pith_short_16: STWDTLMSWTW5YE45 · pith_short_8: STWDTLMS

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/STWDTLMSWTW5YE45GXTUM5XUBA \
  | 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: 94ec39ad92b4eddc139d35e74676f40817ef5d4b2a26ee731d31412650f29686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54dec447012f039e5d378c56f43682488ab2782c5af10e9eba3613ccd00d7e7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-07-07T15:08:10Z",
    "title_canon_sha256": "f1078615e76a129b2c7cd2c9d97875e52a287edda9cc0e313163caf786010857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03536",
    "kind": "arxiv",
    "version": 1
  }
}