Pith Number

pith:2EXKGWTZ

pith:2019:2EXKGWTZIRIP4WOW53ZN62QQBQ

not attested not anchored not stored refs pending

Radio spectra and sizes of ALMA-identified submillimetre galaxies: evidence of age-related spectral curvature and cosmic ray diffusion?

A.C. Edge, A.M. Swinbank, A.P. Thomson (JBCA & Durham), A.W. Blain, B. Gullberg, C.C. Chen, C. Simpson, D. Farrah, D. Maltby, E.A. Cooke, E. Ibar, E.J. Murphy, F. An, Ian Smail, J.L. Wardlow, J.M. Simpson, M.J. Michalowski, O. Almaini, P. van der Werf, S. Stach, U. Dudzeviciute, V. Arumugam, W. Hartley, W. Rujopakarn

arxiv:1904.08944 v2 · 2019-04-18 · 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{2EXKGWTZIRIP4WOW53ZN62QQBQ}

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	2026-07-05T00:10:35.742939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12ea35a794450fe59d6eef2df6a100c237996e83716bf4404ee95cb749049ed

Aliases

arxiv: 1904.08944 · arxiv_version: 1904.08944v2 · doi: 10.48550/arxiv.1904.08944 · pith_short_12: 2EXKGWTZIRIP · pith_short_16: 2EXKGWTZIRIP4WOW · pith_short_8: 2EXKGWTZ

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/2EXKGWTZIRIP4WOW53ZN62QQBQ \
  | 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: d12ea35a794450fe59d6eef2df6a100c237996e83716bf4404ee95cb749049ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46c7421b86b50223f0d3d9bb0564ca6f5270a94e27c47dfedcb48cfcf1695944",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-18T18:00:00Z",
    "title_canon_sha256": "f0a77b04ca15bdb37856040983a740c20493be08a67b500c4ec781eb58b036dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08944",
    "kind": "arxiv",
    "version": 2
  }
}