Pith Number

pith:4G4U4QSE

pith:2020:4G4U4QSECWEOSMCFYF32JZSB5D

not attested not anchored not stored refs pending

Mid-Infrared Diagnostics of the Circumnuclear Environments of the Youngest Radio Galaxies

A. Siemiginowska, A. Wojtowicz, C.C. Cheung, D. Koziel-Wierzbowska, E. Kosmaczewski, L. Ostorero, L. Stawarz, M. Sobolewska, V. Marchenko

arxiv:2002.12870 v3 · 2020-02-28 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4G4U4QSECWEOSMCFYF32JZSB5D}

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	2026-07-05T01:20:54.076362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b94e42441588e93045c177a4e641e8ff2c7b0e0a0fd39431f28a49dcd45056

Aliases

arxiv: 2002.12870 · arxiv_version: 2002.12870v3 · doi: 10.48550/arxiv.2002.12870 · pith_short_12: 4G4U4QSECWEO · pith_short_16: 4G4U4QSECWEOSMCF · pith_short_8: 4G4U4QSE

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/4G4U4QSECWEOSMCFYF32JZSB5D \
  | 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: e1b94e42441588e93045c177a4e641e8ff2c7b0e0a0fd39431f28a49dcd45056

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c459df79ffe24c51630a7eda6cf689b46f1179099c0086cffe1601a89ad2f1f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-02-28T17:11:31Z",
    "title_canon_sha256": "71d88425b00c8bb6368916358276cadfd54fe4a42548004bd618c2cd66f28909"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12870",
    "kind": "arxiv",
    "version": 3
  }
}