Pith Number

pith:Q3J5EALT

pith:2021:Q3J5EALTERYOGPVVFGLJCLAQLB

not attested not anchored not stored refs pending

High-resolution imaging with the International LOFAR Telescope: Observations of the gravitational lenses MG 0751+2716 and CLASS B1600+434

Alice Townsend, Christopher Riddell-Rovira, Deepika Venkattu, Jiten Dhandha, J. P. McKean, Leah K. Morabito, Neal Jackson, Philippa Hartley, Sarah Wallace, Shruti Badole

arxiv:2108.07293 v1 · 2021-08-16 · 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{Q3J5EALTERYOGPVVFGLJCLAQLB}

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	2026-07-05T03:53:02.432862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d3d201732470e33eb52996912c105854355da8dfa17ba29c55d646498e9bf6

Aliases

arxiv: 2108.07293 · arxiv_version: 2108.07293v1 · doi: 10.48550/arxiv.2108.07293 · pith_short_12: Q3J5EALTERYO · pith_short_16: Q3J5EALTERYOGPVV · pith_short_8: Q3J5EALT

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/Q3J5EALTERYOGPVVFGLJCLAQLB \
  | 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: 86d3d201732470e33eb52996912c105854355da8dfa17ba29c55d646498e9bf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f3f81aebad475ec4617ed49ec2839564081b0d6088e552507c905d6ca0a943",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-08-16T18:00:35Z",
    "title_canon_sha256": "5f0308a403da63f284e9029cdce2f1dec5d8b47a65258c8fa71647914bc6c091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07293",
    "kind": "arxiv",
    "version": 1
  }
}